title: [Obstetrics and the null-hypothesis].
authors.forename: C
authors.initials: C
authors.lastname: Wilken-Jensen
authors.forename: B L
authors.initials: BL
authors.lastname: Pedersen
mesh_terms: D005260:Female; D006801:Humans; D009774:Obstetrics / Q000592:standards / Q000706:statistics & numerical data*; D011247:Pregnancy; D012107:Research Design / Q000706:statistics & numerical data*