Blar i Norwegian Institute of Public Health Open Repository på forfatter "Thor, Siri"
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Changes in co-use of alcohol and cannabis among Nordic adolescents in the 21st century: Results from the European School Survey Project on Alcohol and Other Drugs study
Raitasalo, Kirsimarja; Rossow, Ingeborg Margrete; Moan, Inger Synnøve; Bye, Elin Kristin; Svensson, Johan; Thor, Siri; Ekholm, Ola; Pisinger, Veronica; Arnarsson, Arsaell; Bloomfield, Kim (Peer reviewed; Journal article, 2023)