title: The Danish National Birth Cohort - a data source for studying preterm birth.
authors.affiliation: Danish Epidemiology Science Centre, Aarhus, Denmark. jo@soci.au.dk
authors.forename: Jørn
authors.initials: J
authors.lastname: Olsen
mesh_terms: D015331:Cohort Studies; D003718:Denmark / Q000453:epidemiology; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000453:epidemiology* / Q000209:etiology; D011247:Pregnancy; D012042:Registries