N., S., and A. M. V. “Ovarian Tumours Associated With Pregnancy: A Five Year Retrospective Study in a Tertiary Care Hospital”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 4, no. 6, Feb. 2017, pp. 1965-9, doi:10.18203/2320-1770.ijrcog20151295.