Mohamed, W. I., D. Emmanuel, S. Maqbool, A. Asad, A. Jawad, and A. Ihtesham. “Rectovaginal Fistula Due to an Erosive Pessary: A Case Report”. 2021. International Journal of Medical Students, vol. 9, no. 4, Jan. 2022, pp. 304-6, doi:10.5195/ijms.2021.1175.