Vohra, R., Mittal, R., & Sood, A. (2017). Transvaginal sonography versus saline contrast sonohysterography in evaluation of abnormal uterine bleeding. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(10), 4437–4440. https://doi.org/10.18203/2320-1770.ijrcog20174420