Tiwari, A., N. Kaur, S. Jain, R. Rai, and S. K. Jain. “Histopathological Study of Endometrial Biopsy Specimens for Abnormal Uterine Bleeding”. Journal of Lumbini Medical College, vol. 4, no. 2, Jan. 2017, pp. 72-76, https://nepjol.info./index.php/JLMC/article/view/16466.