Associations between general self-efficacy and health-related quality of life among 12-13-year-old school children: a cross-sectional survey

by Helseth Sølvi, Haraldstad Kristin, Kvarme Lisbeth, Sørum Ragnhild, Natvig Gerd
Published 2009-09-01

Development and Usability Testing of an Internet Intervention to Increase Physical Activity in Overweight Adolescents

by Riiser, Kirsti, Løndal, Knut, Ommundsen, Yngvar, Sundar, Turid, Helseth, Sølvi
Published 2013-01-01