Krishnamoorthy, N., and F. S. N. “Role of Transvaginal Sonography and Hysteroscopy in Abnormal Uterine Bleeding: Does the Diagnostic Yield Increase by Combining Transvaginal Sonography, Hysteroscopy and Biopsy?”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 3, no. 4, Feb. 2017, pp. 919-23, https://www.ijrcog.org/index.php/ijrcog/article/view/1288.