THE ABSORPTION OF ORAL VITAMIN B-12 IN AN AGED POPULATION.
D001681:Biological Assay; D001769:Blood; D045728:Corrinoids; D005853:Geriatrics; D006801:Humans; D007408:Intestinal Absorption; D007475:Ion Exchange Resins; D010600:Pharmacology; D014805:Vitamin B 12; D014803:Vitamin B Complex; D014815:Vitamins
D045728:Corrinoids; D007475:Ion Exchange Resins; D014815:Vitamins; D014803:Vitamin B Complex; D014805:Vitamin B 12
BIOLOGICAL ASSAY; BLOOD; GERIATRICS; INTESTINAL ABSORPTION; ION EXCHANGE RESINS; PHARMACOLOGY; VITAMIN B 12