1. Bach-Nielsen P. New surgical method of repairing sacral hernia following abdominoperineal excision of the rectum. Acta Chir Scand 1967; 133: 67–8.
2. Cattell RB, Cunningham RM. Postoperative perineal hernia following resection of the rectum: report of a case. Surg Clin North Am 1944; 24: 679–83.
3. Jones TE. Discussion. Trans Am Proctol Soc 1937; 38: 138.
4. Ego-Aguirre E, Spratt JS Jr, Butcher HR Jr, Bricker EM. Repair of perineal hernias developing subsequent to pelvic exenteration. Ann Surg 1964; 159: 66–71.
5. Moschcowitz AV, Perineal hernia. Surg Gynecol Obstet 1916; 26: 514–20.