TY - GEN AU - Sandberg,Eugene C TI - Shoulder dystocia: associated with versus caused by the Zavanelli maneuver SN - 1097-6868 PY - 2007///0906 KW - Adult KW - Birth Injuries KW - etiology KW - Delivery, Obstetric KW - adverse effects KW - Dystocia KW - Female KW - Humans KW - Labor Presentation KW - Pregnancy KW - Shoulder KW - Version, Fetal N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1016/j.ajog.2007.03.044 ER -