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Addiction. 2013 Dec;108(12):2058-9. doi: 10.1111/add.12189.

The role of the comparison group in epidemiology and general limitations.

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  • 1Social and Epidemiological Research (SER) Department, Centre for Addiction and Mental Health (CAMH), 33 Russel Street, Toronto, ON, M5S 2S1, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada; Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; PAHO/WHO Collaborating Centre for Mental Health & Addiction, Toronto, ON, Canada; Epidemiological Research Unit, Klinische Psychologie & Psychotherapie, Technische Universit├Ąt Dresden, Dresden, Germany.

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