TY - GEN AU - Robertson,P TI - Operative and assisted delivery SN - 1040-872X PY - 1992///0723 KW - Cesarean Section KW - standards KW - Delivery, Obstetric KW - adverse effects KW - Evaluation Studies as Topic KW - Female KW - Humans KW - Labor Presentation KW - Meningomyelocele KW - complications KW - Obstetrical Forceps KW - classification KW - Pregnancy KW - Trial of Labor N1 - Publication Type: Journal Article; Review ER -