[Pregnancy, labor and puerperium in young primiparas in the Istituto Ospedaliero di Maternita di Bologna].
D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009774:Obstetrics / Q000706:statistics & numerical data*; D010298:Parity; D049590:Postpartum Period; D011247:Pregnancy; D014937:Work
OBSTETRICS/statistics