Sujindra, E., Sinhasan, S. P., Sabita, S. C., & Bupathy, A. (2016). Ovarian primary or secondary: cracking the nut. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 5(10), 3637–3640. https://doi.org/10.18203/2320-1770.ijrcog20163463