Vitamin B12 levels in serum and urine following parenteral administration of crystalline vitamin B12 or liver extract.
D001826:Body Fluids; D045728:Corrinoids; D006397:Hematinics; D006801:Humans; D008099:Liver; D008110:Liver Extracts / Q000494:pharmacology*; D014805:Vitamin B 12 / Q000032:analysis*
D045728:Corrinoids; D006397:Hematinics; D008110:Liver Extracts; D014805:Vitamin B 12
LIVER EXTRACTS/effects; VITAMIN B12/determination