title: Parathion exposure studies. A gas chromatographic method for the determination of low levels of p-nitrophenol in human and animal urine.
mesh_terms: D000478:Alkylation; D000818:Animals; D002849:Chromatography, Gas; D006801:Humans; D008297:Male; D013058:Mass Spectrometry; D008722:Methods; D009596:Nitrophenols / Q000652:urine*; D009604:Nitrosoguanidines; D010278:Parathion / Q000032:analysis*; D051381:Rats; D013997:Time Factors
chemical_list: D009596:Nitrophenols; D009604:Nitrosoguanidines; D010278:Parathion