title: Standards in surgical implants: the present status.
mesh_terms: D000497:Alloys / Q000592:standards; D001672:Biocompatible Materials / Q000592:standards; D001698:Biomedical Engineering; D002244:Carbon / Q000592:standards; D002516:Ceramics / Q000592:standards; D005060:Europe; D005544:Forecasting; D013502:General Surgery; D006801:Humans; D007221:Industry; D007391:International Cooperation; D008670:Metals / Q000592:standards; D011108:Polymers / Q000592:standards; D013523:Surgical Equipment / Q000592:standards*; D014481:United States
chemical_list: D000497:Alloys; D001672:Biocompatible Materials; D008670:Metals; D011108:Polymers; D002244:Carbon