Zhang Yi, Zang Guo-Qing, Tang Zheng-Hao, Chen Xiao-Hua, Yu Yong-Sheng
Department of Infectious Diseases, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, P. R. China.
Am J Infect Control. 2013 Nov;41(11):1145-6. doi: 10.1016/j.ajic.2013.06.010. Epub 2013 Sep 14.