THCCOOH concentrations in whole blood: Are they useful in discriminating occasional from heavy smokers?
Marie Fabritius, Bernard Favrat, Haithem Chtioui, Giovanni Battistella, Jean-Marie Annoni, Monique Appenzeller, Kim Dao, Eleonora Fornari, Estelle Lauer, Jean-Frédéric Mall, Philippe Maeder, Patrice Mangin, Christian Staub and Christian Giroud
Article first published online: 31 OCT 2013 | DOI: 10.1002/dta.1581
THCCOOH concentrations in whole blood collected from documented cannabis users in a controlled administration study are presented. Significantly differences are found between occasional and heavy smokers. Thresholds are suggested to discriminate these two groups of consumers.