Röhrich, J Effect of the shampoo Ultra Clean on drug concentrations in human hair. [electronic resource] - International journal of legal medicine 2000 - 102-6 p. digital Publication Type: Journal Article ISSN: 0937-9827 Standard No.: 10.1007/pl00007707 doi Subjects--Topical Terms: Forensic Medicine--methodsHair--chemistryHair PreparationsHumansSubstance Abuse Detection