Selective malabsorption of vitamin B 12.
D000293:Adolescent; D000752:Anemia, Pernicious / Q000378:metabolism*; D002648:Child; D002675:Child, Preschool; D003036:Cobalt Isotopes; D006801:Humans; D007231:Infant, Newborn; D007408:Intestinal Absorption; D012546:Schilling Test; D014805:Vitamin B 12 / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000378:metabolism
D003036:Cobalt Isotopes; D014805:Vitamin B 12