Birnbach, D J Cocaine screening of parturients without prenatal care: an evaluation of a rapid screening assay. [electronic resource] - Anesthesia and analgesia Jan 1997 - 76-9 p. digital Publication Type: Journal Article ISSN: 0003-2999 Standard No.: 10.1097/00000539-199701000-00014 doi Subjects--Topical Terms: AdultAnesthesia, ObstetricalDelivery, ObstetricFemaleHumansImmunoenzyme TechniquesLatex Fixation TestsOpioid-Related Disorders--diagnosisPatient AdmissionPregnancyPregnancy Complications--diagnosisPrenatal CareRisk FactorsSensitivity and SpecificitySubstance Abuse Detection--methodsUrban Health