José Luiz da Costa

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Opiates are included in drug testing programs because of their psychoactive properties and abuse potential, but excluding poppy seed ingestion is necessary to correctly interpret positive opiate(More)
Marijuana abuse can be detected by means of toxicological analysis of the most important metabolite 11-nor-9-carboxy-Δ9-tetrahydrocannabinol (THC-COOH) in urine samples. The aim of this study is the(More)
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