title: Unusual levels of trace elements in dental filling materials. An investigation by neutron activation analysis.
mesh_terms: D000965:Antimony / Q000032:analysis; D001464:Barium / Q000032:analysis; D002104:Cadmium / Q000032:analysis; D003764:Dental Materials / Q000032:analysis*; D003793:Dental Restoration, Permanent / Q000295:instrumentation; D006171:Gutta-Percha / Q000032:analysis; D009501:Neutron Activation Analysis; D012643:Selenium / Q000032:analysis; D014131:Trace Elements / Q000032:analysis*
chemical_list: D003764:Dental Materials; D014131:Trace Elements; D002104:Cadmium; D001464:Barium; D006171:Gutta-Percha; D000965:Antimony; D012643:Selenium