[On the use of a modified vitamin B-12 urine excretion test].
D001826:Body Fluids; D045728:Corrinoids; D006397:Hematinics; D006801:Humans; D016482:Urinalysis; D014805:Vitamin B 12 / Q000652:urine*; D014815:Vitamins
D045728:Corrinoids; D006397:Hematinics; D014815:Vitamins; D014805:Vitamin B 12
VITAMIN B 12/urine