4National Committee for Clinical Labortory standarda [ M ]. Perfermane Standarda for Antimicrobial Disk Suceptibity Testing Pennsyluania Sixty: NCCI.S. 1997,1-26.
5PITIER D, DHARANS,TOURENEAUS, et al. Baeterlaleontamination of the hands of hospital staff doring routine patient care [ J ]. Arch Interm Med, 1999,159:82-86.
