Abnormalities of serum vitamin B12 concentrations in leukemia.
D001769:Blood; D045728:Corrinoids; D006397:Hematinics; D006801:Humans; D007938:Leukemia / Q000097:blood*; D014805:Vitamin B 12 / Q000097:blood*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
BLOOD; LEUKEMIA/blood in; VITAMIN B12/in blood