Tonje Bardsen,1,2 Ola Drange Roksund,1,3,4 Merete Roineland Benestad,1,5 Karl Ove Hufthammer ,6 Hege Havstad Clemm,1,2 Ingvild Bruun Mikalsen ,2,7 Knut Oymar,2,7 Trond Markestad,2 Thomas Halvorsen ,1,2 Maria Vollsater1,2 Tracking of lung function from 10 to 35 years after being born extremely preterm or with extremely low birth weight. Mar 2022 – BMJ
