title: Prevalence of positive urine drug screens in a prenatal clinic: correlation with patients' self-report of drug use.
authors: Brown University.
authors: K
authors: K
authors: Ashling
authors: A H
authors: AH
authors: Gross
authors: D T
authors: DT
authors: Coghlin
authors: P J
authors: PJ
authors: Sweeney
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D015995:Prevalence; D012237:Rhode Island / Q000453:epidemiology; D012307:Risk Factors; D012650:Self Disclosure; D015813:Substance Abuse Detection / Q000379:methods*; D019966:Substance-Related Disorders / Q000175:diagnosis / Q000453:epidemiology* / Q000652:urine