[High-performance liquid chromatography for determination of urea in air of work place].
Wen-hua
WH
Qin
Xiao-yu
XY
DU
Kai-you
KY
Jiang
D000393:Air Pollutants / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D014508:Urea / Q000032:analysis*; D017132:Workplace
D000393:Air Pollutants; D014508:Urea