INVESTIGATION OF THE EFFECTIVENESS AND SAFETY OF MODULAR PROSTHETIC NAIL COMBINATION IN THE PREVENTION OF FRACTURE RISK IN SCREW HOLE DEFECTS FOLLOWING PROXIMAL FEMORAL NAIL REMOVAL: A COMPARATIVE EXPERIMENTAL STUDY Journal title: Kocatepe Medical Journal Authors: Mehmet Nuri KONYA, Recep ALTIN, Uğur YÜZÜGÜLDÜ Subject(s): Medicine