Safety needles lead price hikes.
D003132:Commerce / Q000191:economics*; D003365:Costs and Cost Analysis / Q000639:trends*; D004059:Diffusion of Innovation; D006801:Humans; D016602:Needlestick Injuries / Q000517:prevention & control*; D011482:Protective Devices / Q000191:economics*; D014481:United States