BMJ · 1949 · 57 citations · 3 references
AgricultureNutritionNutritional SciencesHuman NutritionMicronutrient DeficiencyMicronutrient NutritionAnemiaVitamin B12 DeficiencyVitamin B12 PhysiologyVitamin BiochemistryVitamin PhysiologyVitamin SupplementationVitamin B12 (Cobalamin)Vitamin B12 Deficiency AnemiaVitamin B12 Deficiency Treatment
distributed equally in the groups receiving low, medium, and high doses.
3
Crystalline Vitamin B <sub>12</sub>
Edward L. Rickes, Norman G. Brink, Frank R. Koniuszy et al. · Science · 1948 · 547 citations
Activity of Vitamin B <sub>12</sub> in Addisonian Pernicious Anemia
Randolph West · Science · 1948 · 137 citations