Chaudhary, Dr. Priyanka, et al. “A Retrospective Study on Diagnosing Efficacy of Transvaginal Sonography Versus Hysteroscopy in Abnormal Uterine Bleeding”. International Journal of Innovative Research in Medical Science, vol. 7, no. 11, Nov. 2022, pp. 604-7, doi:10.23958/ijirms/vol07-i11/1531.