title: [Cervix dilatation and uterus contraction in the course of normal labor in primipara and multipara].
mesh_terms: D000818:Animals; D002584:Cervix Uteri / Q000502:physiology*; D005260:Female; D007743:Labor, Obstetric; D009119:Muscle Contraction; D010298:Parity; D011247:Pregnancy; D013997:Time Factors; D014599:Uterus / Q000502:physiology*
vernacular_title: Badania nad rozwieraniem sie ujścia zewnetrznego i czynnościa skurczowa macicy w porodach prawidl/owych u pierwiastek i wieloródek.