"Random breath tests".
Havard
J
J
D000063:Accidents, Traffic / Q000517:prevention & control*; D000428:Alcohol Drinking; D001944:Breath Tests; D000431:Ethanol / Q000032:analysis*; D006801:Humans; D008403:Mass Screening / Q000331:legislation & jurisprudence*; D009517:New South Wales
D000431:Ethanol