Gupta, A., Gupta, A., Gupta, B., Mahajan, N., Vij, A. and Chadda, A. 2017. Heterotopic pregnancy: a case report. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 6, 5 (Apr. 2017), 2121–2123. DOI:https://doi.org/10.18203/2320-1770.ijrcog20171990.