title: [Study on posture during delivery--for improvement in delivery technics. Optional postures during delivery and their tentative classification].
authors.forename: N
authors.initials: N
authors.lastname: Ojima
mesh_terms: D002965:Classification; D036861:Delivery, Obstetric / Q000379:methods*; D005260:Female; D006801:Humans; D011187:Posture; D011247:Pregnancy