http://reply.papertrans.cn/2/125/12490/12490-31.png
http://reply.papertrans.cn/2/125/12490/12490-32.png
Submitted on: 27 October 2016.
Revised on: 19 January 2017.
Accepted on: 09 February 2017.
___________________INFECTION CONTROL AND HOSPITAL EPIDEMIOLOGY
http://reply.papertrans.cn/2/125/12490/12490-34.png
http://reply.papertrans.cn/2/125/12490/12490-35.png
Submitted on: 09 December 2005.
Revised on: 03 April 2006.
Accepted on: 12 May 2006.
___________________INFECTION CONTROL AND HOSPITAL EPIDEMIOLOGY