| Vitamin B12 supplementation for growth, development, and cognition in children.Cochrane Database Syst Rev | Analiza zbiorcza | 2026 |
| Acupoint injection increases the efficacy of vitamin B12 for diabetic neuropathy: a meta-analysis and trial sequential analysis.Eur J Clin Nutr | Analiza zbiorcza | 2026 |
| Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis.Ir J Med Sci | Analiza zbiorcza | 2024 |
| Comparative Efficacy of Intranasal, Intramuscular, and Intravenous Vitamin B12 Therapy for Hematological Recovery in Vitamin B12 Deficiency Anemia: A Randomized Controlled Trial.Am J Hematol | Z losowaniem grup | 2026 |
| Clinical safety of ultra-high-dose methylcobalamin in patients with amyotrophic lateral sclerosis: Open-label extension of a phase 2/3 randomized controlled study.J Neurol Sci | Z losowaniem grup | 2026 |
| Effects of dexamethasone combined with vitamin B12 on percutaneous endoscopic interlaminar discectomy early outcomes: a randomized controlled trial.J Orthop Surg Res | Z losowaniem grup | 2024 |
| Parenteral vs Oral Vitamin B12 in Children With Nutritional Macrocytic Anemia: A Randomized Controlled Trial.Indian Pediatr | Z losowaniem grup | 2022 |
| Efficacy and Safety of Ultrahigh-Dose Methylcobalamin in Early-Stage Amyotrophic Lateral Sclerosis: A Randomized Clinical Trial.JAMA Neurol | Z losowaniem grup | 2022 |
| The Efficacy of Intramuscular Injection of Vitamin B12 in the Treatment of Acute Herpetic Neuralgia-A Prospective Pilot Study.J Altern Complement Med | Z losowaniem grup | 2021 |
| Effect of Vitamin B12 Injection on the Vocal Performance of Professional Singers: A Randomized, Double-blind, Placebo-Controlled, Crossover Trial.JAMA Otolaryngol Head Neck Surg | Z losowaniem grup | 2021 |
| Local Administration of Methylcobalamin for Subacute Ophthalmic Herpetic Neuralgia: A Randomized, Phase III Clinical Trial.Pain Pract | Z losowaniem grup | 2020 |
| Oral versus intramuscular administration of vitamin B12 for vitamin B12 deficiency in primary care: a pragmatic, randomised, non-inferiority clinical trial (OB12).BMJ Open | Z losowaniem grup | 2020 |
| [JETALS: The Japanese Early-stage Trial of high dose methylcobalamin for ALS].Brain Nerve | Z losowaniem grup | 2019 |
| Timing of folic acid/vitamin B12 supplementation and hematologic toxicity during first-line treatment of patients with nonsquamous non-small cell lung cancer using pemetrexed-based chemotherapy: The PEMVITASTART randomized trial.Cancer | Z losowaniem grup | 2019 |
| Ultra-high-dose methylcobalamin in amyotrophic lateral sclerosis: a long-term phase II/III randomised controlled study.J Neurol Neurosurg Psychiatry | Z losowaniem grup | 2019 |
| Early biomarker response and patient preferences to oral and intramuscular vitamin B12 substitution in primary care: a randomised parallel-group trial.Swiss Med Wkly | Z losowaniem grup | 2017 |
| Acupuncture combined with methylcobalamin for the treatment of chemotherapy-induced peripheral neuropathy in patients with multiple myeloma.BMC Cancer | Z losowaniem grup | 2017 |
| Local Administration of Methylcobalamin and Lidocaine for Acute Ophthalmic Herpetic Neuralgia: A Single-Center Randomized Controlled Trial.Pain Pract | Z losowaniem grup | 2016 |
| Sublingual vitamin B12 compared to intramuscular injection in patients with type 2 diabetes treated with metformin: a randomised trial.N Z Med J | Z losowaniem grup | 2016 |
| Therapeutic role of Vitamin B12 in patients of chronic tinnitus: A pilot study.Noise Health | Z losowaniem grup | 2016 |
| Local Injection of Methylcobalamin Combined with Lidocaine for Acute Herpetic Neuralgia.Pain Med | Z losowaniem grup | 2016 |
| Effects of folic acid and vitamin B12 supplementation on culling rate, diseases, and reproduction in commercial dairy herds.J Dairy Sci | Z losowaniem grup | 2014 |
| Effect of butaphosphan and cyanocobalamin on postpartum metabolism and milk production in dairy cows.Animal | Z losowaniem grup | 2013 |
| A single-center randomized controlled trial of local methylcobalamin injection for subacute herpetic neuralgia.Pain Med | Z losowaniem grup | 2013 |
| Oral versus intramuscular administration of vitamin B12 for the treatment of patients with vitamin B12 deficiency: a pragmatic, randomised, multicentre, non-inferiority clinical trial undertaken in the primary healthcare setting (Project OB12).BMC Public Health | Z losowaniem grup | 2012 |
| The efficacy and safety of intramuscular injections of methylcobalamin in patients with chronic nonspecific low back pain: a randomised controlled trial.Singapore Med J | Z losowaniem grup | 2011 |
| Pharmacokinetics of oral cyanocobalamin formulated with sodium N-[8-(2-hydroxybenzoyl)amino]caprylate (SNAC): an open-label, randomized, single-dose, parallel-group study in healthy male subjects.Clin Ther | Z losowaniem grup | 2011 |
| Comparing the efficacy and tolerability of a new daily oral vitamin B12 formulation and intermittent intramuscular vitamin B12 in normalizing low cobalamin levels: a randomized, open-label, parallel-group study.Clin Ther | Z losowaniem grup | 2011 |
| An evaluation of plasma homocysteine in the assessment of vitamin B12 status of pasture-fed sheep.N Z Vet J | Z losowaniem grup | 2010 |
| [Effects of intervention therapy of methylcobalamin and folic acid on plasma homocysteine concentration and homocysteine thiolactonases/paraoxonase activity in patients with type 2 diabetes mellitus].Zhonghua Yi Xue Za Zhi | Z losowaniem grup | 2007 |
| Safety of hydroxocobalamin in healthy volunteers in a randomized, placebo-controlled study.Clin Toxicol (Phila) | Z losowaniem grup | 2006 |
| Comparative effects of hydroxocobalamin and cyanocobalamin on plasma homocysteine concentrations in end-stage renal disease.Metabolism | Z losowaniem grup | 2005 |
| Oral cyanocobalamin supplementation in older people with vitamin B12 deficiency: a dose-finding trial.Arch Intern Med | Z losowaniem grup | 2005 |
| The effects of 'supra-physiological' vitamin B12 administration on temporary threshold shift.Int J Audiol | Z losowaniem grup | 2004 |
| Randomized, placebo-controlled trial of intramuscular vitamin B12 for the treatment of hyperhomocysteinaemia in dialysis patients.Intern Med J | Z losowaniem grup | 2003 |
| Vitamin B12 injection for preventing cobalt deficiency in lambs.Aust Vet J | Z losowaniem grup | 2002 |
| Vitamin B12 in low back pain: a randomised, double-blind, placebo-controlled study.Eur Rev Med Pharmacol Sci | Z losowaniem grup | 2000 |
| Effects of vitamin B12, folate, and vitamin B6 supplements in elderly people with normal serum vitamin concentrations.Lancet | Z losowaniem grup | 1995 |
| Liver extract-folic acid-cyanocobalamin vs placebo for chronic fatigue syndrome.Arch Intern Med | Z losowaniem grup | 1989 |
| The effect of vitamin B12 on physical performance capacity.Br J Nutr | Z losowaniem grup | 1978 |
| Pain Fluctuations of Women with Subacute Herpetic Neuralgia During Local Methylcobalamin in Combination with Lidocaine Treatment: A Single-Blinded Randomized Controlled Trial.J Pain Res | Bez losowania grup | 2023 |
| The Efficacy of Oral Vitamin B12 Replacement for Nutritional Vitamin B12 Deficiency.J Pediatr Hematol Oncol | Bez losowania grup | 2018 |
| Phase II study of oral vitamin B12 supplementation as an alternative to intramuscular injection for patients with non-small cell lung cancer undergoing pemetrexed therapy.Cancer Chemother Pharmacol | Bez losowania grup | 2016 |
| Hydroxocobalamin supplementation and erythropoisis stimulating agent hyporesponsiveness in haemodialysis patients.Nephrology (Carlton) | Bez losowania grup | 2014 |
| The vitamin B12 absorption test, CobaSorb, identifies patients not requiring vitamin B12 injection therapy.Scand J Clin Lab Invest | Bez losowania grup | 2011 |
| Cognitive and psychiatric effects of vitamin B12 replacement in dementia with low serum B12 levels: a nursing home study.Int Psychogeriatr | Bez losowania grup | 2009 |
| Effect of butaphosphane and cyanocobalamin on regeneration of muscle fibres in pigs.Pol J Vet Sci | Bez losowania grup | 2009 |
| Measuring holotranscobalamin II, an early indicator of negative vitamin B12 balance, by radioimmunoassay in patients with ischemic cerebrovascular disease.Ann Hematol | Bez losowania grup | 2008 |
| Patient acceptance of intranasal cobalamin gel for vitamin B12 replacement therapy.Hawaii Med J | Bez losowania grup | 2006 |
| Parenteral vitamin B12 reduces hyperhomocysteinemia in end-stage renal disease.Clin Invest Med | Bez losowania grup | 2001 |
| Enteral vitamin B12 supplements reverse postgastrectomy B12 deficiency.Ann Surg | Bez losowania grup | 2000 |
| Normalization of plasma vitamin B12 concentration by intranasal hydroxocobalamin in vitamin B12-deficient patients.Gastroenterology | Bez losowania grup | 1997 |
| Effects of vitamin B12 on human circadian body temperature rhythm.Neurosci Lett | Bez losowania grup | 1995 |
| Hydroxocobalamin. V. Prolonged maintenance of high vitamin B12 blood levels following a short course of hydroxocobalamin injections.Blood | Bez losowania grup | 1966 |
| Hibiscus sabdariffa increases hydroxocobalamin oral bioavailability and clinical efficacy in vitamin B12 deficiency with neurological symptoms.Fundam Clin Pharmacol | Obserwacja grupy | 2016 |
| Potential role of vitamin B12 supplementation in neurological recovery after severe traumatic brain injury.Nutrition | Opisy przypadków | 2026 |
| Pernicious Anemia Mimicking Thrombotic Thrombocytopenic Purpura in the Setting of Severe Vitamin B12 Deficiency.Cureus | Opisy przypadków | 2026 |
| Systemic Allergic Dermatitis Induced by Intramuscular Vitamin B12 Administration.Contact Dermatitis | Opisy przypadków | 2026 |
| Intravenous Methylcobalamin-Induced Anaphylactic Shock: A Case Report.Curr Drug Saf | Opisy przypadków | 2026 |
| Vitamin B12 Deficiency Mimicking Thrombotic Microangiopathy: A Case of Pseudo-Thrombotic Microangiopathy.J Community Hosp Intern Med Perspect | Opisy przypadków | 2026 |
| Metformin-Associated Functional Vitamin B12 Deficiency Presenting as Subacute Combined Degeneration in a 57-Year-Old Man With Diabetes Mellitus.Am J Case Rep | Opisy przypadków | 2026 |
| Combined Ultrasound-guided Perineural Vitamin B12 Injection and Pulsed Radiofrequency of C2 Dorsal Root Ganglion for Treatment of C2 Postherpetic Neuralgia: A Case Report.J Med Ultrasound | Opisy przypadków | 2026 |
| Vitamin B12 Deficiency Presenting as Pseudothrombotic Microangiopathy and Intestinal Pseudo-Obstruction.Cureus | Opisy przypadków | 2026 |
| Unveiling the Pernicious Truth: A Case Report on the Rare Presentation of Severe Vitamin B12 Deficiency.Cureus | Opisy przypadków | 2026 |
| Two Cases of Severe Food-Borne Botulism: Could High-Dose Methylcobalamin Accelerate Recovery?Cureus | Opisy przypadków | 2025 |
| Pseudothrombotic microangiopathy resulting from severe vitamin B12 deficiency in a pediatric patient with autism: A case report.SAGE Open Med Case Rep | Opisy przypadków | 2025 |
| Vitamin B12 deficiency in a young male with Imerslund-Gräsbeck syndrome: case report.Front Pediatr | Opisy przypadków | 2025 |
| Multifaceted Clinical Spectrum of Vitamin B12 Deficiency - a Case Report and Literature Review.J Blood Med | Opisy przypadków | 2025 |
| Clinical Case of a 20-Year-Old Man With Myeloneuropathy Due to Vitamin B12 Deficiency From Nitrous Oxide Abuse: A Case Report.Cureus | Opisy przypadków | 2025 |
| Intramuscular Vitamin B12 Treatment in Transcobalamin II Deficiency: Case Series Clinical Outcomes.Appl Clin Genet | Opisy przypadków | 2025 |
| Pretibial myxedema treated with intralesional tumescent drug delivery of hyaluronidase, triamcinolone, vitamin B12, and sodium bicarbonate dissolved in a tumescent epinephrine lidocaine solution.JAAD Case Rep | Opisy przypadków | 2025 |
| Complete Immunophenotypic Reversal of Chronic Lymphocytic Leukaemia With High Dose Parenteral Methylcobalamin: A Case Report and Brief Review of Cobalamin in Cancer.Cancer Rep (Hoboken) | Opisy przypadków | 2025 |
| Fewer injections, less pain: Successful cyanocobalamin desensitization.Allergol Immunopathol (Madr) | Opisy przypadków | 2025 |
| Severe Vitamin B12 deficiency with complications in an elderly patient: a case study of pancytopenia and haemolysis.Br J Community Nurs | Opisy przypadków | 2025 |
| Vitamin B12 Deficiency-Induced Massive Schistocytosis and Hemolytic Anemia Due to Pseudo-Thrombotic Microangiopathy: A Case Report.Cureus | Opisy przypadków | 2025 |
| Peripheral Neuropathy Secondary to a Functional Vitamin B12 Deficiency in the Setting of Erythrocytosis.Cureus | Opisy przypadków | 2025 |
| [A case of diagnosed pernicious anemia and subacute combined degeneration of the spinal cord with abnormally elevated serum vitamin B12].Rinsho Shinkeigaku | Opisy przypadków | 2025 |
| Vitamin B12 Deficiency in Pernicious Anemia: A Hemolytic Anemia Mimic.Cureus | Opisy przypadków | 2025 |
| Atypical Motor-Predominant Presentation of Subacute Combined Degeneration of Spinal Cord Due to Vitamin B12 Deficiency: A Case Report of Stroke Mimicry in the Absence of Classic Symptoms.Cureus | Opisy przypadków | 2024 |
| Correlation Between Nitrous Oxide and Functional Vitamin B12 Deficiency Resulting in Subacute Combined Degeneration of the Spinal Cord: A Case Report.Cureus | Opisy przypadków | 2024 |
| Microangiopathic thrombocytopenia caused by vitamin B12 deficiency responding to plasma exchange.Br J Haematol | Opisy przypadków | 2024 |
| Vitamin B12 responsive developmental and epileptic encephalopathy due to a novel mutation in the FUT2 gene: a case report.BMC Pediatr | Opisy przypadków | 2024 |
| Acute Mental Disorder Caused by Vitamin B12 Deficiency Eight Years After Total Gastrectomy.Cureus | Opisy przypadków | 2024 |
| Oral manifestations of vitamin B12 deficiency associated with pernicious anemia: A case report.Int J Surg Case Rep | Opisy przypadków | 2024 |
| Vitamin B12 Deficiency Manifesting As Pancytopenia, Lymphadenopathy, and Fever: A Clinical Mimic of Hematologic Malignancies.Cureus | Opisy przypadków | 2024 |
| Vitamin B12 Deficiency-Induced Neuropathy and Cognitive and Motor Impairment in the Elderly: A Case Study.Food Nutr Bull | Opisy przypadków | 2024 |
| Vitamin B12 Deficiency in Children and Adolescents: A Case for Revised Diagnostic Parameters.Food Nutr Bull | Opisy przypadków | 2024 |
| A Rare Cause of Vitamin B12 Deficiency in the Pediatric Age.Cureus | Opisy przypadków | 2024 |
| Vitamin B12 deficiency presenting as progressive blindness in a 33-year-old HIV-positive female patient on Efavirenz-based regimen: case report.Pan Afr Med J | Opisy przypadków | 2024 |
| Vitamin B12 Deficiency Disguised As Hemolytic Anemia: A Case Presentation.Cureus | Opisy przypadków | 2024 |
| A Case of Subacute Degeneration of the Spinal Cord Due to Vitamin B12 Deficiency Triggered by Nitrous Oxide Use.Cureus | Opisy przypadków | 2023 |
| Vitamin B12 induced acneiform eruption.Heliyon | Opisy przypadków | 2023 |
| Ultrasound-Guided Perineural Vitamin B12 Injection for Brachial Plexus Injury: A Preliminary Study.Cell Transplant | Opisy przypadków | 2023 |
| Severe Vitamin B12 Deficiency Presenting as Pancytopenia, Hemolytic Anemia, and Paresthesia: Could Your B12 Be Any Lower?Cureus | Opisy przypadków | 2022 |
| Pseudo-Thrombotic Microangiopathy Secondary to Vitamin B12 Deficiency.Case Rep Med | Opisy przypadków | 2022 |
| [Vitamin B12 deficiency in an infant child of a mother with pernicious anemia].Andes Pediatr | Opisy przypadków | 2022 |
| Pancytopenia Due to Vitamin B12 and Folic Acid Deficiency-A Case Report.Pediatr Rep | Opisy przypadków | 2022 |
| Functional Vitamin B12 Deficiency in Association With Nitrous Oxide Inhalation.Cureus | Opisy przypadków | 2022 |
| Chronic Atrophic Gastritis Presenting as Hemolytic Anemia due to Severe Vitamin B12 Deficiency.Case Rep Hematol | Opisy przypadków | 2021 |
| Recognizing Subacute Combined Degeneration in Patients With Normal Vitamin B12 Levels.Cureus | Opisy przypadków | 2021 |
| [Severe encephalopathy and vitamin B12 deficiency: reversibility after nutritional therapy].Nutr Hosp | Opisy przypadków | 2020 |
| [Neurologic involvement due to vitamin B12 deficiency in an infant].Arch Argent Pediatr | Opisy przypadków | 2020 |
| [Oral diagnosis of vitamin B12 deficiency due to long-term metformin treatment: a case report].Pan Afr Med J | Opisy przypadków | 2020 |
| Vitamin B12 Deficiency Anemia and Polyneuropathy Due to Chronic Radiation Enteritis.Intern Med | Opisy przypadków | 2020 |
| High-dose hydroxocobalamin achieves biochemical correction and improvement of neuropsychiatric deficits in adults with late onset cobalamin C deficiency.JIMD Rep | Opisy przypadków | 2020 |
| Infantile Tremor Syndrome after Peroral and Intramuscular Vitamin B12 Therapy: Two Cases.Klin Padiatr | Opisy przypadków | 2019 |
| Reversible cutaneous silent period abnormalities in vitamin B12 deficiency: A case report.Clin Neurophysiol Pract | Opisy przypadków | 2019 |
| [IMERSLUND-GRÄSBECK SYNDROME CONGENITAL FORM OF VITAMIN B12 DEFICIENCY ANEMIA].Georgian Med News | Opisy przypadków | 2019 |
| Psychomotor regression due to vitamin B12 deficiency.Pan Afr Med J | Opisy przypadków | 2018 |
| Anaphylactic Reaction to Cyanocobalamin: A Case Report.Cureus | Opisy przypadków | 2018 |
| Subcutaneous Eikenella corrodens, Actinomyces sp., and α-Hemolytic Streptococcus Abscess of the Thigh following a Vitamin B12 Injection.Case Rep Infect Dis | Opisy przypadków | 2018 |
| Pseudo-Thrombotic Thrombocytopenic Purpura due to Severe Vitamin B12 Deficiency.J La State Med Soc | Opisy przypadków | 2016 |
| Cobalt-Induced Contact Urticaria Presenting as Chronic Urticaria Due to Intramuscular Vitamin B12 Injections.Dermatitis | Opisy przypadków | 2016 |
| Nitrous oxide misuse and vitamin B12 deficiency.BMJ Case Rep | Opisy przypadków | 2016 |
| [Intranasal cyanocobalamin; an effective and safe therapeutic alternative].Nutr Hosp | Opisy przypadków | 2014 |
| Vitamin B12-induced acneiform eruption.Cutan Ocul Toxicol | Opisy przypadków | 2014 |
| A patient with an inborn error of vitamin B12 metabolism (cblF) detected by newborn screening.Pediatrics | Opisy przypadków | 2013 |
| Early treatment causes clinicoradiological reversal of myelopathy due to vitamin B12 deficiency.BMJ Case Rep | Opisy przypadków | 2013 |
| Vitamin B12 deficiency presenting as acute ataxia.BMJ Case Rep | Opisy przypadków | 2013 |
| Unusual association of Arnold-Chiari malformation and vitamin B12 deficiency.BMJ Case Rep | Opisy przypadków | 2012 |
| Severe vitamin B12 deficiency in an exclusively breastfed 5-month-old Italian infant born to a mother receiving multivitamin supplementation during pregnancy.BMC Pediatr | Opisy przypadków | 2012 |
| Involuntary movements after correction of vitamin B12 deficiency: a video-case report.Epileptic Disord | Opisy przypadków | 2012 |
| Subacute combined degeneration of the spinal cord despite prophylactic vitamin B12 treatment.J Clin Neurosci | Opisy przypadków | 2012 |
| Psychotic disorder, hypertension and seizures associated with vitamin B12 deficiency: a case report.Hum Exp Toxicol | Opisy przypadków | 2012 |
| Atypical presentation of vitamin B12 deficiency.Pak J Biol Sci | Opisy przypadków | 2012 |
| [Treatment response in vitamin B12 deficiency depends on the chosen vitamin B12 preparation].Ugeskr Laeger | Opisy przypadków | 2011 |
| [Homozygous mutation in the intrinsic factor gene in a child with severe vitamin B12 deficiency].Ugeskr Laeger | Opisy przypadków | 2011 |
| Serial nerve conduction studies in vitamin B12 deficiency-associated polyneuropathy.Neurol Sci | Opisy przypadków | 2011 |
| Vitamin B12-responsive severe leukoencephalopathy and autonomic dysfunction in a patient with "normal" serum B12 levels.J Neurol Neurosurg Psychiatry | Opisy przypadków | 2010 |
| Vitamin B12 optic neuropathy in autism.Pediatrics | Opisy przypadków | 2010 |
| Hydroxocobalamin dose escalation improves metabolic control in cblC.J Inherit Metab Dis | Opisy przypadków | 2009 |
| Sub-acute combined degeneration with an initially normal level of vitamin B12: a case report.Cases J | Opisy przypadków | 2009 |
| Functional vitamin B12 deficiency.Pract Neurol | Opisy przypadków | 2009 |
| Neurological consequences of vitamin B12 deficiency and its treatment.Pediatr Emerg Care | Opisy przypadków | 2008 |
| Type I immediate hypersensitivity reaction to cyanocobalamin but not hydroxycobalamin.Clin Exp Dermatol | Opisy przypadków | 2008 |
| Chronic psychosis associated with vitamin B12 deficiency.J Assoc Physicians India | Opisy przypadków | 2008 |
| Treatment responsive executive and behavioral dysfunction associated with Vitamin B12 deficiency.Neurocase | Opisy przypadków | 2008 |
| Hyperhomocysteinemia, deep vein thrombosis and vitamin B12 deficiency in a metformin-treated diabetic patient.J Formos Med Assoc | Opisy przypadków | 2007 |
| Seizures during treatment of Vitamin B12 deficiency.Seizure | Opisy przypadków | 2007 |
| [Oral treatment of vitamin B12 deficiency in subacute combined degeneration].Nervenarzt | Opisy przypadków | 2006 |
| [Reversible peripheral neuropathy induced by vitamin B12 deficiency].Neurophysiol Clin | Opisy przypadków | 2005 |
| Successful treatment of chronic erythema nodosum with vitamin B12.J Am Board Fam Pract | Opisy przypadków | 2005 |
| Megaloblastic anaemia: response to Amples A and B (folic acid, vitamin B12 (Cyanocobalamin), niacin and vitamin C)--a case report.Niger J Med | Opisy przypadków | 2005 |
| Anaphylactic reaction after intramuscular injection of cyanocobalamin (vitamin B12): a case report.J Pak Med Assoc | Opisy przypadków | 2005 |
| Vitamin B12 deficiency presenting with an acute reversible extrapyramidal syndrome.Neurol India | Opisy przypadków | 2004 |
| Vitamin B12-associated localized scleroderma and its treatment.Dermatol Surg | Opisy przypadków | 2004 |
| Adverse reactions to vitamin B12 injections due to benzyl alcohol sensitivity: successful treatment with intranasal cyanocobalamin.Allergy | Opisy przypadków | 2004 |
| A case of postoperative recurrence of fibrolamellar hepatocellular carcinoma with increased vitamin B12 binding capacity in a young Japanese female.Jpn J Clin Oncol | Opisy przypadków | 2004 |
| Posterior arm and deltoid compartment syndrome after vitamin B12 injection.Orthopedics | Opisy przypadków | 2004 |
| [A case of subacute combined degeneration with normal serum vitamin B12 level].Rinsho Shinkeigaku | Opisy przypadków | 2003 |
| [Myelopathy due to vitamin B12 deficiency presenting as transverse myelitis].Arq Neuropsiquiatr | Opisy przypadków | 2002 |
| Reversible myelopathy in a 34-year-old man with vitamin B12 deficiency.Mayo Clin Proc | Opisy przypadków | 2002 |
| [Myelosis funicularis as a result of secondary vitamin B12 deficiency in a 9-year-old girl].Wiad Lek | Opisy przypadków | 2002 |
| Progressive neurological deterioration and MRI changes in cblC methylmalonic acidaemia treated with hydroxocobalamin.J Inherit Metab Dis | Opisy przypadków | 1999 |
| Syncope following intramuscular injection of hydroxocobalamin in a paraplegic patient: indication for oral administration of cyanocobalamin in spinal cord injury patients.Spinal Cord | Opisy przypadków | 1999 |
| Ischemic strokes secondary to vitamin B12 deficiency-induced hyperhomocystinemia.Neurology | Opisy przypadków | 1998 |
| Biochemical and clinical response to hydroxocobalamin versus cyanocobalamin treatment in patients with methylmalonic acidemia and homocystinuria (cblC).J Pediatr | Opisy przypadków | 1998 |
| [A case of vitamin B12 deficiency with broad neurologic disorders and canities].No To Shinkei | Opisy przypadków | 1997 |
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| Optic neuropathy in a patient with vitamin B12 deficiency: a case report.J Med Assoc Thai | Opisy przypadków | 1992 |
| [Atypical leukemia accompanied by vitamin B12 deficiency].Rinsho Ketsueki | Opisy przypadków | 1992 |
| Normalization of vitamin B12 absorption after ileal resection in children.J Paediatr Child Health | Opisy przypadków | 1992 |
| Complete cure of urinary and faecal incontinence after intravenous vitamin B12 therapy in a patient with post-gastrectomy megaloblastic anaemia.J Intern Med | Opisy przypadków | 1992 |
| Reversible hyperpigmentation of skin and nails with white hair due to vitamin B12 deficiency.Arch Dermatol | Opisy przypadków | 1986 |
| Selective vitamin B12 malabsorption without anaemia but with profound failure to thrive.Acta Paediatr Scand | Opisy przypadków | 1985 |
| [Agranulocytosis and impairment of liver functions terminating in death following vitamin B12 injection in pernicious anemia: report of a case].Rinsho Ketsueki | Opisy przypadków | 1984 |
| A case of mania secondary to vitamin B12 deficiency.Am J Psychiatry | Opisy przypadków | 1984 |
| [Vitamin-B12-dependent methylmalonic acidemia in twins].Monatsschr Kinderheilkd | Opisy przypadków | 1983 |
| Comparative efficacy of vitamin B12 supplementation routes in adults with replacement indication: a systematic review.EClinicalMedicine | Przegląd badań | 2026 |
| Oral vitamin B₁₂ after total gastrectomy for gastric cancer: mapping the evidence.Gastric Cancer | Przegląd badań | 2026 |
| Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta-analysis.Front Pharmacol | Przegląd badań | 2025 |
| Vitamin B12 Deficiency: Common Questions and Answers.Am Fam Physician | Przegląd badań | 2025 |
| The Neurological Sequelae of Vitamin B12 Deficiency: A Systematic Review and Randomized Controlled Trial.Cureus | Przegląd badań | 2025 |
| Desensitization for Vitamin B12 Hypersensitivity and How to Do It.Biomedicines | Przegląd badań | 2025 |
| Lack of Clinical Evidence Regarding the Guidelines for Vitamin B12 Deficiency: An Analysis From Literature and Recommendations From Clinical Practice.Food Nutr Bull | Przegląd badań | 2024 |
| Etiology, Clinical Manifestations, Diagnosis, and Treatment of Cobalamin (Vitamin B12) Deficiency.Cureus | Przegląd badań | 2024 |
| Vitamin B12 in Cats: Nutrition, Metabolism, and Disease.Animals (Basel) | Przegląd badań | 2023 |
| Metformin-Induced Vitamin B12 Deficiency among Type 2 Diabetes Mellitus' Patients: A Systematic Review.Curr Diabetes Rev | Przegląd badań | 2023 |
| Role of vitamin B12 in treating recurrent aphthous stomatitis: A review.Int J Vitam Nutr Res | Przegląd badań | 2022 |
| Inherited and acquired vitamin B12 deficiencies: Which administration route to choose for supplementation?Front Pharmacol | Przegląd badań | 2022 |
| Metformin-induced vitamin B12 deficiency can cause or worsen distal symmetrical, autonomic and cardiac neuropathy in the patient with diabetes.Diabetes Obes Metab | Przegląd badań | 2022 |
| Current Nanocarrier Strategies Improve Vitamin B12 Pharmacokinetics, Ameliorate Patients' Lives, and Reduce Costs.Nanomaterials (Basel) | Przegląd badań | 2021 |
| State of the art review: oral and nasal vitamin B12 therapy in the elderly.QJM | Przegląd badań | 2020 |
| Efficacy and tolerability of a fixed dose combination of cortex phospholipid liposomes and cyanocobalamin for intramuscular use in peripheral neuropathies.Minerva Med | Przegląd badań | 2019 |
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| Vitamin B12 intramuscular injections versus oral supplements: a budget impact analysis.Ont Health Technol Assess Ser | Przegląd badań | 2013 |
| Vitamin B12 and cognitive function: an evidence-based analysis.Ont Health Technol Assess Ser | Przegląd badań | 2013 |
| Vitamin B12 deficiency in patients undergoing bariatric surgery: preventive strategies and key recommendations.Surg Obes Relat Dis | Przegląd badań | 2013 |
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| Oral or intramuscular vitamin B12?Drug Ther Bull | Przegląd badań | 2009 |
| Traveling the vitamin B12 pathway: oral delivery of protein and peptide drugs.Angew Chem Int Ed Engl | Przegląd badań | 2009 |
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| Liquid Chromatography Method for the Simultaneous Quantification of Biotin and Vitamin B12 in Vitamin B Supplements.J AOAC Int | Inna praca | 2019 |
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| [Injections to treat vitamin B12 deficiency are unnecessary].Tidsskr Nor Laegeforen | Inna praca | 2018 |
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