Abdulaziz, M. M., L. Stothers, D. Lazare, and A. Macnab. “An Integrative Review and Severity Classification of Complications Related to Pessary Use in the Treatment of Female Pelvic Organ Prolapse”. Canadian Urological Association Journal, vol. 9, no. 5-6, June 2015, pp. E400-6, doi:10.5489/cuaj.2783.