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The European Respiratory Journal|May 1, 1997
Changing prevalence of asthma in school children: evidence for diagnostic changes in asthma in two surveys 13 yrs apartW Nystad, P Magnus, A Gulsvik, et al.Genetic Epidemiology|January 1, 1995
Sex-specific effects for body mass index in the new Norwegian twin panelJ R Harris, K Tambs, P MagnusBehavior Genetics|January 1, 1995
Sex-specific causal factors and effects of common environment for symptoms of anxiety and depression in twinsK Tambs, J R Harris, P MagnusBehavior Genetics|May 1, 1997
Genetic and environmental contributions to the correlation between alcohol consumption and symptoms of anxiety and depression. Results from a bivariate analysis of Norwegian twin dataK Tambs, J R Harris, P MagnusPediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology|July 20, 1999
Wheezing in school children is not always asthmaW Nystad, T Stensrud, B Rijcken, et al.Allergy|February 4, 1999
Recurrent respiratory tract infections during the first 3 years of life and atopy at school ageW Nystad, A Skrondal, F Njå, et al.Scandinavian Journal of Medicine & Science in Sports|February 12, 1998
The physical activity level in children with asthma based on a survey among 7-16 year old school childrenW NystadInternational Journal of Pediatric Otorhinolaryngology|November 1, 1996
The relationship between otitis media and intrauterine growth: a co-twin control studyK J Kvaerner, K Tambs, J R Harris, et al.Pageof 62