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European Journal of Epidemiology|October 30, 2001
Physical activity affects the prevalence of reported wheezeW Nystad, P Nafstad, J R Harris
Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology|September 20, 2007
Residential outdoor air pollution and allergen sensitization in schoolchildren in Oslo, NorwayB Oftedal, B Brunekreef, W Nystad, et al.
Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology|August 23, 2002
The use of a feather quilt, childhood asthma and allergic rhinitis: a prospective cohort studyP Nafstad, W Nystad, J J K Jaakkola
Acta Paediatrica (Oslo, Norway : 1992)|September 2, 2003
Baby swimming increases the risk of recurrent respiratory tract infections and otitis mediaW Nystad, F Njå, P Magnus, et al.
The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease|December 16, 2006
Association between level of physical activity and lung function among Norwegian men and women: the HUNT studyW Nystad, S O Samuelsen, P Nafstad, et al.
Archives of Disease in Childhood|December 5, 2008
Folic acid supplements in pregnancy and early childhood respiratory healthS E Håberg, S J London, H Stigum, et al.
Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke|October 26, 1999
[What can twin research reveal about the causes of diseases?]P Magnus, J R Harris, W Nystad, et al.
Thorax|November 28, 2002
Feasibility of measuring lung function in preschool childrenW Nystad, S O Samuelsen, P Nafstad, et al.
Acta Paediatrica (Oslo, Norway : 1992)|September 22, 2009
Prenatal and postnatal parental smoking and acute otitis media in early childhoodS E Håberg, Y E Bentdal, S J London, et al.
The European Respiratory Journal|November 3, 2006
Genetic and environmental effects on exhaled nitric oxide and airway responsiveness in a population-based sample of twinsM B Lund, J Kongerud, W Nystad, et al.
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