Evaluation of Osteonecrosis Risk Using Serum C-Terminal Cross-Linked Telopeptide of Type 1 Collagen (CTX-1) Levels in Osteoporotic Patients: Effects of Drug Holidays and Risk Factors. - Ergül, Emine Esra; Laçin, Oğuzhan; Kılıçaslan, Hamide Özge; Bostancı, Fahrettin; Özdemir, Elif Can; Kılıç, Ayşegül; Hayme, Serhat; Ayçiçek, Hilal Büşra (Eurasian Journal of Medicine, 2026)