Palve, T. T., R. Bhattacharya, and V. Magtangi. “Ectopic Pregnancy: Clinical Features, Management and Complications”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 7, no. 4, Mar. 2018, pp. 1484-9, doi:10.18203/2320-1770.ijrcog20181340.