Human dietary deficiency of vitamin B12.
D004032:Diet / Q000009:adverse effects*; D006801:Humans; D011488:Protein Deficiency; D014805:Vitamin B 12; D014806:Vitamin B 12 Deficiency / Q000209:etiology*; D014803:Vitamin B Complex
D014803:Vitamin B Complex; D014805:Vitamin B 12
DIETS/injurious effects; PROTEINS/deficiency; VITAMIN B12 DEFICIENCY/etiology and pathogenesis