Sandberg, Eugene C Shoulder dystocia: associated with versus caused by the Zavanelli maneuver. [electronic resource] - American journal of obstetrics and gynecology Jul 2007 - 115; author reply 115-6 p. digital Publication Type: Comment; Letter ISSN: 1097-6868 Standard No.: 10.1016/j.ajog.2007.03.044 doi Subjects--Topical Terms: AdultBirth Injuries--etiologyDelivery, Obstetric--adverse effectsDystociaFemaleHumansLabor PresentationPregnancyShoulderVersion, Fetal