Blar i Norwegian Institute of Public Health Open Repository på forfatter "Petrie, Keith"
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Changes in mental health problems and suicidal behaviour in students and their associations with COVID-19-related restrictions in Norway: A national repeated cross-sectional analysis
Sivertsen, Børge; Knapstad, Marit; Petrie, Keith; O'Connor, Rory; Lønning, Kari Jussi; Hysing, Mari (Peer reviewed; Journal article, 2022) -
Differential associations between types of social media use and university students' non-suicidal self-injury and suicidal behavior
Kingsbury, Mila; Reme, Bjørn-Atle; Skogen, Jens Christoffer; Sivertsen, Børge; Øverland, Simon Nygaard; Cantor, Nathan; Hysing, Mari; Petrie, Keith; Colman, Ian (Peer reviewed; Journal article, 2020)