Yadav, A., Yadav, P. and Gupta, V. (2017) “A rare case of spontaneous heterotopic pregnancy presented as ruptured ectopic pregnancy”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 5(6), pp. 2055–2057. doi: 10.18203/2320-1770.ijrcog20161720.