Pratibha Jena, and Ratna Panda. “Comparative Study of Hysteroscopy With Ultrasonography and Its Correlation With Histopathology in Cases of Abnormal Uterine Bleeding in Perimenopausal Women”. International Journal of Health and Clinical Research, vol. 5, no. 2, Jan. 2022, pp. 56-61, https://ijhcr.com/index.php/ijhcr/article/view/4040.