1. Chronic ulcerative colitis: diagnostic and therapeutic problems; a lifelong study;Bargen;Am J Roentgenol,1967
2. Acute obstruction of the colon: an analysis of 205 cases;Becker;Surg Gynecol Obstet,1953
3. Malignant tumors of colon and rectum;Berk,1964
4. Acute volvulus of the cecum;Bhatt;Int Surg,1969
5. Volvulus of the colon;Botsford;Am J Surg,1967