title: Shoulder dystocia: associated with versus caused by the Zavanelli maneuver.
authors.forename: Eugene C
authors.initials: EC
authors.lastname: Sandberg
mesh_terms: D000328:Adult; D001720:Birth Injuries / Q000209:etiology*; D036861:Delivery, Obstetric / Q000009:adverse effects*; D004420:Dystocia; D005260:Female; D006801:Humans; D007746:Labor Presentation; D011247:Pregnancy; D012782:Shoulder; D014710:Version, Fetal