4Sax H,Allegranzi H,Chraiti M N,et al.The world health organization hand hygiene observation method[J].Am J Infect Control,2009,37(10):827-834.
5Erasmus V,Dala T J, Brug H, et al. Systematic review of studies on compliance with hand hygiene guidelines in hospital care[J]. Infect Control Hosp Epidemiol, 2010, 31(3):283-294.
