Authors:
Nja, F
Roksund, OD
Svidal, B
Nystad, W
Carlsen, KH
Citation: F. Nja et al., Asthma and allergy among schoolchildren in a mountainous, dry, non-polluted area in Norway, PEDIAT A IM, 11(1), 2000, pp. 40-48
Citation: O. Hetlevik et al., The wheezing schoolchild - an undiagnosed asthmatic - A follow-up of children with parentally reported episodes of wheeze without diagnosed asthma, SC J PRIM H, 18(2), 2000, pp. 122-126
Authors:
Fredriksen, PM
Ingjer, F
Nystad, W
Thaulow, E
Citation: Pm. Fredriksen et al., A comparison of VO2peak between patients with congenital heart disease andhealthy subjects, all aged 8-17 years, EUR J A PHY, 80(5), 1999, pp. 409-416
Authors:
Nystad, W
Skrondal, A
Nja, F
Hetlevik, O
Carlsen, KH
Magnus, P
Citation: W. Nystad et al., Recurrent respiratory tract infections during the first 3 years of life and atopy at school age, ALLERGY, 53(12), 1998, pp. 1189-1194