Alam, M. F., M. A. Rana, and M. S. Alam. “Osteocalcin, a Promising Marker of Osteoporosis: Evaluation in Post-Menopausal Females With Osteoporosis”. International Journal of Advances in Medicine, vol. 6, no. 6, Nov. 2019, pp. 1746-9, doi:10.18203/2349-3933.ijam20194639.