COMPARISON OF PREOPERATIVE AND POSTOPERATIVE CERVICAL SAGITTAL PARAMETERS IN PATIENTS WITH CERVICAL DEGENERATIVE DISEASE Journal title: Journal of Turkish Spinal Surgery Authors: Sadık Ahmet UYANIK, Birnur YILMAZ, Halime ÇEVİK, Fatih YAKAR, Burçak GÜMÜŞ Subject(s): Medicine, Surgery