Mohamed, W. I., D. Emmanuel, S. Maqbool, A. Asad, A. Jawad, and A. Ihtesham. “Rectovaginal Fistula Due to an Erosive Pessary: A Rare Case Reported in an 82-Year-Old Female”. International Journal of Medical Students, vol. 9, no. 4, Dec. 2021, doi:10.5195/ijms.2021.1175.