title: Multielement photon activation analysis of biological materials.
mesh_terms: D000201:Activation Analysis; D000818:Animals; D002417:Cattle; D004602:Elements / Q000032:analysis*; D008099:Liver / Q000032:analysis*; D008722:Methods; D010944:Plants / Q000032:analysis*; D010947:Plants, Toxic; D013051:Spectrometry, Gamma; D014026:Nicotiana / Q000032:analysis; D014675:Vegetables / Q000032:analysis
chemical_list: D004602:Elements