title: Studies on parathion poisoning I. Determination of urinary p-nitrophenol.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009596:Nitrophenols / Q000652:urine*; D009784:Occupational Diseases / Q000175:diagnosis; D010278:Parathion / Q000506:poisoning*
chemical_list: D009596:Nitrophenols; D010278:Parathion