title: G.I. tract excretion of barium.
mesh_terms: D000818:Animals; D001464:Barium / Q000378:metabolism*; D004064:Digestive System / Q000378:metabolism*; D004285:Dogs; D006801:Humans; D007554:Isotopes / Q000378:metabolism; D051379:Mice; D051381:Rats; D013997:Time Factors
chemical_list: D007554:Isotopes; D001464:Barium