Sweta, S. Anjum, and S. L. Mendiratta. “A Clinical Study of Ectopic Pregnancy at a Tertiary Care Hospital of North Delhi”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 12, no. 11, Oct. 2023, pp. 3278-81, doi:10.18203/2320-1770.ijrcog20233294.