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Auteur R. C. CALLAGHAN |
Documents disponibles écrits par cet auteur (16)
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Article : Périodique
Background and Aims: Research shows that essential/precursor chemical controls have had substantial impacts on US methamphetamine and heroin availability. This study examines whether US federal essential chemical regulations have impacted US coc[...]Article : Périodique
R. C. CALLAGHAN ; M. SANCHES ; C. BENNY ; T. STOCKWELL ; A. SHERK ; S. J. KISH |AIM: To establish whether the population-level pattern of cannabis use by quantity is similar to the distributions previously reported for alcohol, in which a small subset of drinkers accounts for a majority of total population alcohol consumpti[...]