3Onana J, Ngongang A. Hygiene and methods of decontamination, disinfection and sterilization in dental offices in yaounde odontostomatol trop[J]. Ew J Paediatr Dent,2002,25(97) :45 - 51.
5Clapeau G, Decroix B, Bakayoko -Ly R, et al. Survey of methods of cleaning, decontamination, disinfection and sterilization in dental health services in tropical areas[J]. Sante,1997,7(5):323- 329.
6Mangram AJ, Horan TC, Pearson ML, et al. Guideline for prevention of surgical site infection, 1999 [J]. Am J Infect Control, 1999, 27(2): 97-132.
7EI Shafie SS, Alishaq M, Leni Garcia M. Investigation of an outbreak of multidrug-resistant Aeinet obacter banmannii in trauma intensive care unit [J]. Journal of Hospital Infection, 2004, 56(2): 101-105.