Evidence concerning the human requirement for vitamin B12. Use of the whole body counter for determination of absorption of vitamin B12.
D000740:Anemia; D000752:Anemia, Pernicious; D003036:Cobalt Isotopes; D006801:Humans; D011874:Radiometry; D014805:Vitamin B 12; D014915:Whole-Body Counting
D003036:Cobalt Isotopes; D014805:Vitamin B 12
ANEMIA, PERNICIOUS; COBALT ISOTOPES; RADIOMETRY; VITAMIN B 12