title: Push is on to standardize hip implants.
mesh_terms: D000368:Aged; D001672:Biocompatible Materials; D003284:Contract Services / Q000191:economics; D003625:Data Collection; D006622:Hip Prosthesis / Q000191:economics / Q000592:standards*; D017721:Hospital Costs / Q000639:trends; D006801:Humans; D008875:Middle Aged; D011474:Prosthesis Design / Q000592:standards; D014481:United States