Studies of vitamin B12 in serum and urine following oral and parenteral administration.
D001769:Blood; D001826:Body Fluids; D045728:Corrinoids; D006397:Hematinics; D014556:Urine; D014805:Vitamin B 12 / Q000652:urine*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
BLOOD; URINE; VITAMIN B12/in urine