COMPARATIVE ANALYSIS OF PEDICLE SCREW VERSUS HYBRID INSTRUMENTATION IN POSTERIOR SPINAL CORRECTION AND FUSION OF ADOLESCENT IDIOPATHIC SCOLIOSIS Journal title: Journal of Turkish Spinal Surgery Authors: Onat ÜZÜMCÜGİL, Yunus ATICI, Kaddafi DUYMUŞ, Erhan ŞÜKÜR, Merter YALÇINKAYA, Murat MERT, Mustafa CAN... Subject(s): Medicine, Surgery