3H. C. Umpleby F.R.C.S.,Dr. R. C. N. Williamson M.D.,M. Chir F.R.C.S.. Survival in acute obstructing colorectal carcinoma[J] 1984,Diseases of the Colon & Rectum(5):299~304
4Dr. Anthony R. Gennaro M.D.,R. Robert Tyson M.D.. Obstructive colonic cancer[J] 1978,Diseases of the Colon & Rectum(5):346~351