RESUMEamphetamine, 3-4 methylenedioxy-methamphetamine (MDMA), its metabolite methylenedioxy-amphetamine (MDA) and methylenedioxy ethylamphetamine (MDEA).The oral fluid specimens were confirmed for the presence of methamphetamine, amphetamine, MDMA and MDA. Hair

RESUMEC'est la première étude où des cheveux, de la salive et des urines ont été collectés simultanément sur une population toxicomane. Le cheveu est la matrice la plus appropriée pour identifier des consommateurs de cocaïne.using population, and urine slightly better in the self-repor¬ ted cocaine user population.This is the first study where hair, oral fluid and urine were collected simultaneously from a drug using population. Hairis the most likely matrix to identify cocaine users.

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