Imperfect protection: syringe safety mechanisms can fail.
D000062:Accidents, Occupational / Q000517:prevention & control*; D004868:Equipment Failure; D004869:Equipment Safety / Q000379:methods* / Q000592:standards; D016602:Needlestick Injuries / Q000517:prevention & control*; D011358:Product Surveillance, Postmarketing / Q000379:methods* / Q000592:standards; D012308:Risk Management / Q000379:methods; D013594:Syringes