In: Chromatographia, 2013, vol. 76, no. 19-20, p. 1281-1293
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In: Analytical and Bioanalytical Chemistry, 2013, vol. 405, no. 30, p. 9791-9803
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In: Analytical and Bioanalytical Chemistry, 2013, vol. 405, no. 30, p. 9791–9803
A cross-over controlled administration study of smoked cannabis was carried out on occasional and heavy smokers. The participants smoked a joint (11 % Δ9-tetrahydrocannabinol (THC)) or a matching placebo on two different occasions. Whole blood (WB) and oral fluid (OF) samples were collected before and up to 3.5 h after smoking the joints. Pharmacokinetic analyses were obtained from these data....
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In: Drug Testing and Analysis, 2013, vol. 6, no. 1-2, p. 155–163
Some forensic and clinical circumstances require knowledge of the frequency of drug use. Care of the patient, administrative, and legal consequences will be different if the subject is a regular or an occasional cannabis smoker. To this end, 11-nor-9-carboxy-Δ9-tetrahydrocannabinol (THCCOOH) has been proposed as a criterion to help to distinguish between these two groups of users. However, to...
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In: Analytical and Bioanalytical Chemistry, 2010, vol. 396, no. 7, p. 2523-2532
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