European Journal of Clinical Nutrition · 2014 · 59 citations · 4 references
Vitamin NutritionClinical NutritionPharmacologyTreatment OptionPharmacotherapyVitamin B ComplexMedicineVitamin B12 Deficiency–methylcobalamineHealth Sciences
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How I treat cobalamin (vitamin B12) deficiency
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Effects of smoking on metabolism and excretion of vitamin B12.
J. C. Linnell, A. David Smith, C. Smith et al. · BMJ · 1968 · 72 citations · Full text