Kaufman DA, Zinman LN, Buckley JC, Marcello P, Browne BM, Vanni AJ. Short- and Long-term Complications and Outcomes of Radiation and Surgically Induced Rectourethral Fistula Repair With Buccal Mucosa Graft and Muscle Interposition Flap. Urology. 2016 Dec; 98:170-175.