Deen, K.I.; Kumar, D.; Williams, J.G.; Olliff, J.; Keighley, M.R.
(Lippincott Williams and Wilkins, 1993)
OBJECTIVE: This study was performed to (1) correlate and sphincter defects, identified by endoanal ultrasound with operative findings, and (2) define the appearance of such sphincter defects as seen at operation. SUMMARY ...