Sitimani, A., I. Chawla, and P. Vohra. “Saline Infusion Sonography in Evaluation of Uterine Cavity Abnormalities in Infertility: A Comparative Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 9, Feb. 2017, pp. 2995-00, doi:10.18203/2320-1770.ijrcog20162972.