title: Activation analysis of gold-197 for measuring rate of ingesta passage in ruminants.
mesh_terms: D000201:Activation Analysis; D000821:Animal Feed; D000818:Animals; D004063:Digestion; D005243:Feces / Q000032:analysis; D006046:Gold / Q000032:analysis* / Q000378:metabolism; D006049:Gold Isotopes; D012417:Rumen / Q000378:metabolism*
chemical_list: D006049:Gold Isotopes; D006046:Gold