Hip implant prices show modest drop.
D003363:Cost Control; D003625:Data Collection; D005544:Forecasting; D006622:Hip Prosthesis / Q000191:economics*; D017721:Hospital Costs / Q000706:statistics & numerical data / Q000639:trends*; D006801:Humans; D011682:Purchasing, Hospital / Q000191:economics* / Q000639:trends; D014481:United States