Per Nafstad

Baby swimming increases the risk of recurrent respiratory tract infections and otitis media

P. Nafstad, P. Magnus, W. Nystad, 2003, Acta paediatrica.

Exposure to pets and atopy‐related diseases in the first 4 years of life

P. Nafstad, P. Magnus, J. Jaakkola, 2001, Allergy.

Risk of childhood asthma and allergic rhinitis in relation to pregnancy complications.

P. Nafstad, P. Magnus, J. Jaakkola, 2000, The Journal of allergy and clinical immunology.

Recurrent acute otitis media: the significance of age at onset.

P. Nafstad, J. Jaakkola, J. Jaakkola, 1997, Acta oto-laryngologica.

Weight gain during the first year of life in relation to maternal smoking and breast feeding in Norway.

P. Nafstad, J. Jaakkola, J. Jaakkola, 1997, Journal of epidemiology and community health.