TY - GEN AU - MacIntyre,C Raina AU - Wang,Quanyi AU - Seale,Holly AU - Yang,Peng AU - Shi,Weixian AU - Gao,Zhanhai AU - Rahman,Bayzid AU - Zhang,Yi AU - Wang,Xiaoli AU - Newall,Anthony T AU - Heywood,Anita AU - Dwyer,Dominic E TI - A randomized clinical trial of three options for N95 respirators and medical masks in health workers SN - 1535-4970 PY - 2013///0627 KW - Adult KW - China KW - Cluster Analysis KW - Female KW - Health Personnel KW - Humans KW - Infection Control KW - instrumentation KW - Kaplan-Meier Estimate KW - Male KW - Masks KW - Middle Aged KW - Occupational Exposure KW - prevention & control KW - Proportional Hazards Models KW - Respiratory Protective Devices KW - Respiratory Tract Infections KW - microbiology KW - Tertiary Care Centers KW - organization & administration N1 - Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1164/rccm.201207-1164OC ER -