Diagnostic Performance of Proximal Humeral Cortical Thickness on Digital Radiography Compared with Dual-Energy X-Ray Absorptiometry Bone Mineral Density for Opportunistic Osteoporosis Screening in Postmenopausal Women: A Cross-Sectional Study at a Tertiary Referral Center in Indonesia. OAIJMR. 2026;6(5):483-495. doi:10.37275/oaijmr.v6i5.942