Serum and urine concentrations of vitamin B12 following oral administration of the vitamin.
D000284:Administration, Oral; D001769:Blood; D045728:Corrinoids; D006397:Hematinics; D006801:Humans; D014556:Urine; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014803:Vitamin B Complex; D014815:Vitamins
D045728:Corrinoids; D006397:Hematinics; D014815:Vitamins; D014803:Vitamin B Complex; D014805:Vitamin B 12
BLOOD; URINE; VITAMIN B12/administration