Pritchett, Jeanita S Influence of chemical straightening on the stability of drugs of abuse in hair. [electronic resource] - Journal of analytical toxicology - 13-6 p. digital Publication Type: Journal Article ISSN: 1945-2403 Standard No.: 10.1093/jat/bku106 doi Subjects--Topical Terms: Cocaine--analogs & derivativesDronabinol--analysisGas Chromatography-Mass SpectrometryHair--chemistryHair Preparations--chemistryHumansLinear ModelsPhencyclidine--analysisSolid Phase ExtractionSubstance Abuse Detection--methodsSubstance-Related Disorders--diagnosis