Rajkumari, K., A. Joy Singh, and L. Nilachandra Singh. “Comparison of the Effectiveness Between Epidural Methylprednisolone Injection and Intranasal Calcitonin in Reduction of Back Pain Due to Osteoporosis in Postmenopausal Patients: A Randomized Controlled Trial”. International Journal of Clinical Trials, vol. 7, no. 3, July 2020, pp. 188-93, doi:10.18203/2349-3259.ijct20203105.