title: Roadside drug testing: unanswered questions and future challenges.
authors: Michael G
authors: MG
authors: Lenné
mesh_terms: D001315:Australia; D001334:Automobile Driving; D001944:Breath Tests; D002188:Cannabis; D005544:Forecasting; D006801:Humans; D008694:Methamphetamine; D018817:N-Methyl-3,4-methylenedioxyamphetamine; D015813:Substance Abuse Detection / Q000379:methods* / Q000639:trends*; D019966:Substance-Related Disorders / Q000175:diagnosis*
chemical_list: D008694:Methamphetamine; D018817:N-Methyl-3,4-methylenedioxyamphetamine