Mishra, A., Shamsunder, S., Malik, S. and Zaheer, S. (2017) “Collision tumour of ovary: a rare combination of fibrothecoma with serous cystadenoma”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(4), pp. 1643–1645. doi: 10.18203/2320-1770.ijrcog20171444.