title: A direct intercomparison of two whole-body monitors in the measurement of the absorption of an oral dose of vitamin B 12  labelled with  57 Co and  58 Co.
mesh_terms: D003036:Cobalt Isotopes; D006801:Humans; D007408:Intestinal Absorption; D011877:Radionuclide Imaging; D014805:Vitamin B 12 / Q000378:metabolism*; D014915:Whole-Body Counting
chemical_list: D003036:Cobalt Isotopes; D014805:Vitamin B 12