title: Measurement of 57Co-labelled vitamin B12 using a liquid-scintillator whole-body counter.
mesh_terms: D000749:Anemia, Megaloblastic / Q000378:metabolism; D003037:Cobalt Radioisotopes; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D013182:Sprue, Tropical / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism*; D014915:Whole-Body Counting / Q000379:methods*
chemical_list: D003037:Cobalt Radioisotopes; D014805:Vitamin B 12