International Journal of Mental Health Systems (2011) - Comment
pubmed: 21211046  doi: 10.1186/1752-4458-5-1  issn: 1752-4458 

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Ketil Hanssen-Bauer, Sonja Heyerdahl, Trond Hatling, Gunnar Jensen, Pål Marius Olstad, Tormod Stangeland, Tarje Tinderholt