title: Ectopic pregnancy and seasonality.
authors.forename: V E
authors.initials: VE
authors.lastname: Lund
authors.forename: J I
authors.initials: JI
authors.lastname: Mäkinen
mesh_terms: D005260:Female; D005387:Finland / Q000453:epidemiology; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000453:epidemiology*; D012621:Seasons