title: Birth distribution of children with respiratory allergy.
authors.forename: P A
authors.initials: PA
authors.lastname: Pedersen
mesh_terms: D001723:Birth Rate; D002648:Child; D006801:Humans; D012130:Respiratory Hypersensitivity / Q000453:epidemiology* / Q000276:immunology; D012189:Retrospective Studies; D012621:Seasons