title: The influence of twenty years on demographic and social factors related to parturients in northern Finland.
authors.forename: P
authors.initials: P
authors.lastname: Sipilä
authors.forename: A L
authors.initials: AL
authors.lastname: Hartikainen-Sorri
authors.forename: P
authors.initials: P
authors.lastname: Rantakallio
mesh_terms: D000328:Adult; D001110:Arctic Regions; D005260:Female; D005387:Finland; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D011446:Prospective Studies; D012922:Social Change