M., S., R., S., M., F. A., K., V., S., S. and S., R. (2017) “Trends in ectopic pregnancy: a retrospective clinical study of 79 cases”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(7), pp. 3009–3013. doi: 10.18203/2320-1770.ijrcog20172925.