title: From the authors.
authors.affiliation: Linköping University Hospital, Linköping.
authors.forename: Orvar
authors.initials: O
authors.lastname: Finnström
authors.forename: Bengt
authors.initials: B
authors.lastname: Källén
mesh_terms: D001249:Asthma / Q000209:etiology*; D005260:Female; D005317:Fetal Growth Retardation / Q000503:physiopathology*; D006801:Humans; D008297:Male; D011247:Pregnancy; D047928:Premature Birth / Q000503:physiopathology*