Congress acts to regulate needles--state to follow.
D004869:Equipment Safety; D006801:Humans; D007484:Iowa; D009339:Needles; D016602:Needlestick Injuries / Q000517:prevention & control*; D016272:Occupational Health / Q000331:legislation & jurisprudence*; D014481:United States; D014489:United States Occupational Safety and Health Administration