The effect of prior vitamin B-12 administration on the Schilling test.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003036:Cobalt Isotopes; D006801:Humans; D008875:Middle Aged; D012546:Schilling Test; D014805:Vitamin B 12 / Q000494:pharmacology*
D003036:Cobalt Isotopes; D014805:Vitamin B 12