6Scholefield TH,Northover TMA.Surgical management of rectal cancer.Br J Surg,1995,82(5):754-48.
7Heald RJ.Total mesorectal excision isoptimal surgery for rectal cancer a Scandinavian consensus.Br J Surg,1995,82(10):1297-1299.
8Williams NS.Johnston D.Reappraisal.of 5 centimetre rules of distal excision for carcinoma of rectum:a Study of distal intramural spread and of patients survival.Br J sutg,1983,70(2):150-155.