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Concheiro M, de Castro A, Quintela O, Cruz A, López-Rivadulla M. Confirmation by LC-MS of drugs in oral fluid obtained from roadside testing. Forensic Sci Int. 2007 Aug 06;170(2-3):156–62. doi: 10.1016/j.forsciint.2007.03.034. PMID: 17658709. |