Patel, M., D. Chavda, and S. Prajapati. “A Retrospective Study of 100 Cases of Ectopic Pregnancy: Clinical Presentation, Site of Ectopic and Diagnosis Evaluation”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 12, Dec. 2016, pp. 4313-6, doi:10.18203/2320-1770.ijrcog20164334.