Soontrapa S, Chowchuen P, Srinakarin J, Soontrapa S. Diagnostic Reliability of the Singh index: Femoral Neck Osteoporosis. SRIMEDJ [internet]. 2013 Nov. 25 [cited 2026 Sep. 17];19(4):215-9. available from: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14555