Begum, S., F. Begum, N. Gani, F. Rahman, and F. I. Jahan. “Relationship of Age and Different Histological Types of Ovarian Tumors”. Bangladesh Journal of Obstetrics &Amp; Gynaecology, vol. 32, no. 2, July 2020, pp. 99-105, doi:10.3329/bjog.v32i2.48281.