title: An instrument for the determination of ethanol in breath in law-enforcement practice.
mesh_terms: D000428:Alcohol Drinking; D000431:Ethanol / Q000032:analysis* / Q000097:blood; D006801:Humans; D007259:Infrared Rays; D008722:Methods; D012119:Respiration; D013057:Spectrum Analysis / Q000295:instrumentation
chemical_list: D000431:Ethanol