Agewise differences in the urinary excretion of vitamin B12 following intramuscular administration.
D000368:Aged / Q000502:physiology; D000375:Aging; D014556:Urine; D014805:Vitamin B 12 / Q000652:urine*
D014805:Vitamin B 12
AGED/physiology; URINE; VITAMIN B12/in urine