title: Testing for drug abuse.
authors.affiliation: Ask The Pharmacist, Inc. Chapel Hill, North Carolina.
authors.forename: E C
authors.initials: EC
authors.lastname: McGuffey
authors.forename: B A
authors.initials: BA
authors.lastname: Mullins
mesh_terms: D005188:False Negative Reactions; D005189:False Positive Reactions; D005502:Food; D006197:Hair / Q000737:chemistry; D006801:Humans; D015813:Substance Abuse Detection / Q000379:methods; D016482:Urinalysis; D017132:Workplace