Kintz, Pascal Disappearance of Tramadol and THC-COOH in Hair After Discontinuation of Abuse. Two Different Profiles. [electronic resource] - Journal of analytical toxicology Jan 2020 - 65-68 p. digital Publication Type: Journal Article ISSN: 1945-2403 Standard No.: 10.1093/jat/bkz004 doi Subjects--Topical Terms: Dronabinol--analysisHair--chemistryHumansIllicit Drugs--analysisSubstance Abuse Detection--methodsSubstance-Related DisordersTramadol--analysis