Emotional problems in preadolescents in Norway: the role of gender, ethnic minority status, and home- and school-related hassles
Child and Adolescent Psychiatry and Mental Health (2011) - Comment
pubmed: 22093180  doi: 10.1186/1753-2000-5-37  issn: 1753-2000 

Daniele E Alves, Espen Roysamb, Brit Oppedal, Henrik D Zachrisson