Yadav, S. T., Kaur, S. and Yadav, S. S. (2017) “Ectopic pregnancy an obstetric emergency: retrospective study from medical college Ambala, Haryana, India”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 5(7), pp. 2210–2214. doi: 10.18203/2320-1770.ijrcog20162095.