1. The epidemiology of pain in children and adolescents: a review
2. Self-Reported Health Status and Use of Medical Care by 3500 Adolescents in Western Sweden. I
3. Pain in children and adolescents: a common experience
4. 4 P Scheidt, MD Overpeck, W Wyatt, A Aszmann, C Currie, K Hurrelmann, W Settertobuttle, R Smith, and J Todd . Adolescents' general health and wellbeing . InHealth and Health Behaviour among Young People(eds), 2000 , Adolescents' general health and wellbeing , Copenhagen.
5. 5 G Kristjansdottir . Recurrent pains: a public health concern in school age children. An investigation of headache, stomach pain and back pain . Dissertation, NHV report, 1996 : 2, Goteborg.