[Gas chromatography in determination of chlorpyrifos in air of working places].
He
Yong-hua
YH
Wu
Chun-hua
CH
Pan
Chen-wei
CW
D000388:Air / Q000032:analysis*; D004390:Chlorpyrifos / Q000032:analysis*; D002849:Chromatography, Gas / Q000379:methods*; D017132:Workplace
D004390:Chlorpyrifos