title: Chemical testing of impaired drivers.
mesh_terms: D000063:Accidents, Traffic / Q000517:prevention & control*; D000435:Alcoholic Intoxication / Q000175:diagnosis*; D001334:Automobile Driving; D001944:Breath Tests; D002845:Chromatography; D006801:Humans; D004364:Pharmaceutical Preparations / Q000097:blood*; D019966:Substance-Related Disorders
chemical_list: D004364:Pharmaceutical Preparations