Gupta, N., S. Dwivedi, G. N. Dwivedi, B. Sharma, and P. Gupta. “Uterine Cavity Evaluation in Infertile Patients With Transvaginal Sonography, Saline Infusion Sonography and Hysteroscopy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 6, Jan. 2017, pp. 1879-82, doi:10.18203/2320-1770.ijrcog20161682.