1Center for Disease Control and Prevention Update U S public health service guidelines for the management of occupational exposures to HBV,HCV,and HIV and recommendation for post-expasure prophylaxis [J]. MMWR.2002,50(RRI) :1-42.
2Cardo DM ,Culver DH,et al ,A case-control study of HIV servconversion in health care workers after pereutaneous exposure [J]. N Engl J Med,1997,337 (21) :1485 - 1490.
3Jppolitog, Decaring, Urov, et al. Device specific risk of needles stick preventuble [J], Hosp Empheal .1994,13:128 -130.