title: Mass spectrometric determination of a stable isotope tracer for copper in biological materials.
mesh_terms: D000818:Animals; D002417:Cattle; D003300:Copper / Q000097:blood*; D005243:Feces / Q000032:analysis; D008099:Liver / Q000032:analysis; D013058:Mass Spectrometry; D008892:Milk / Q000032:analysis; D012016:Reference Values
chemical_list: D003300:Copper