title: The incidence of drugs in impaired driving specimens in Northern Ireland.
mesh_terms: D001334:Automobile Driving; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D000431:Ethanol / Q000097:blood; D006801:Humans; D009660:Northern Ireland; D004364:Pharmaceutical Preparations / Q000097:blood* / Q000652:urine
chemical_list: D004364:Pharmaceutical Preparations; D000431:Ethanol