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Epidemiology (Cambridge, Mass.)|October 6, 2000
Associations between outdoor air pollutants and hospitalization for respiratory diseasesJ A Hagen, P Nafstad, A Skrondal, et al.
Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology|September 9, 1999
Perinatal risk factors for recurrent wheeze in early lifeK C Lodrup Carlsen, K H Carlsen, P Nafstad, et al.
Epidemiology (Cambridge, Mass.)|May 7, 1999
Ventilation in homes and bronchial obstruction in young childrenL Oie, P Nafstad, G Botten, et al.
Epidemiology (Cambridge, Mass.)|May 1, 1997
The role of passive smoking in the development of bronchial obstruction during the first 2 years of lifeP Nafstad, J Kongerud, G Botten, et al.
The European Respiratory Journal|August 1, 1997
In utero exposure to cigarette smoking influences lung function at birthK C Lødrup Carlsen, J J Jaakkola, P Nafstad, et al.
American Journal of Public Health|May 16, 1998
Nicotine concentration in the hair of nonsmoking mothers and size of offspringP Nafstad, D Fugelseth, E Qvigstad, et al.
Journal of Exposure Analysis and Environmental Epidemiology|April 1, 1997
Hair nicotine concentrations in mothers and children in relation to parental smokingP Nafstad, J J Jaakkola, J A Hagen, et al.
Pediatrics|April 2, 1999
Day care centers and respiratory healthP Nafstad, J A Hagen, L Oie, 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.
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