title: [Safety standard of medical materials].
mesh_terms: D000818:Animals; D002858:Chromium Alloys / Q000592:standards; D003722:Dental Alloys / Q000592:standards; D003764:Dental Materials / Q000592:standards* / Q000633:toxicity; D007928:Lethal Dose 50; D051381:Rats; D012449:Safety
chemical_list: D002858:Chromium Alloys; D003722:Dental Alloys; D003764:Dental Materials