Mahadik, K., Singh, N. and Swami, M.B. 2020. Study of validity of risk of malignancy index in perimenopausal women with ovarian mass in a tertiary care hospital in India. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 9, 2 (Jan. 2020), 588–594. DOI:https://doi.org/10.18203/2320-1770.ijrcog20200342.