title: Random drug testing in schools fails screening criteria.
authors.forename: Woody
authors.initials: W
authors.lastname: Caan
mesh_terms: D006801:Humans; D008403:Mass Screening / Q000458:organization & administration*; D012572:School Health Services / Q000458:organization & administration*; D015813:Substance Abuse Detection / Q000379:methods*; D006113:United Kingdom