Chan, G., A. Mamut, S. Tatzel, and B. Welk. “An Unusual Case of Polyembolokoilamania: Urethral Avulsion from Foreign Object Use During Sexual Gratification”. Canadian Urological Association Journal, vol. 10, no. 5-6, May 2016, pp. E181-3, doi:10.5489/cuaj.3778.