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  • [\'School of Public Health Sciences, University of Waterloo, 200 University Avenue, Waterloo, ON, N2L 3G1, Canada. sleather@uwaterloo.ca.\', \'VITAM - Centre de recherche en santé durable, Université Laval, Quebec, Canada.\', \'Department of Pediatrics, Faculty of Medicine, Université Laval, Quebec, Canada.\', \'Department of Health Sciences, Brock University, St. Catharines, Canada.\', \'Applied Research Division, Public Health Agency of Canada, Ottawa, Canada.\', \'Department of Social and Preventive Medicine, Faculty of Medicine, Université Laval, Quebec, Canada.\']
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  • 10.1186/s12889-021-11241-6
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  • Examining the impact of the early stages of the COVID-19 pandemic period on youth cannabis use: adjusted annual changes between the pre-COVID and initial COVID-lockdown waves of the COMPASS study.
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  • 2021

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