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Slovakia European School Survey Project on Alcohol and Other Drugs 1999

Global Health Data Exchange ()70

Statistics Canada, 2009, "National Alcohol and Other Drugs Survey, 1989", https://hdl.handle.net/11272.1/AB2/NUCNMZ, Abacus Data Network, V1

Abacus60

Ireland European School Survey Project on Alcohol and Other Drugs 2011

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