[Comprehensive evaluation of status quo of occupational hazards of four toxic chemicals in working places].
Wang
Qun-Gang
QG
Shen
Yue-Ping
YP
Chen
Xin-Feng
XF
D015386:Hazardous Substances / Q000009:adverse effects*; D006801:Humans; D016273:Occupational Exposure; D017132:Workplace
D015386:Hazardous Substances