Vishwakarma, S., Khari, S., & Verma, P. (2020). Role of trans vaginal sonography with hysteroscopy in detection of uterine causes of abortions. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 9(2), 618–623. https://doi.org/10.18203/2320-1770.ijrcog20200347