Singh, T., S. Mohan, S. Aggarwal, and D. Maji. “A Study on Presentation and Management of Ectopic Pregnancy at Tertiary Care Hospital”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 10, no. 5, Apr. 2021, pp. 1997-00, doi:10.18203/2320-1770.ijrcog20211526.