Kothapally, K., and U. Bhashyakarla. “Postmenopausal Bleeding: Clinicopathologic Study in a Teaching Hospital of Andhra Pradesh”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 2, no. 3, Dec. 2016, pp. 344-8, https://www.ijrcog.org/index.php/ijrcog/article/view/105.