1. Berk RN, Lasser EC:Radiology of the Ileocecal Valve pp 63–177. WB Saunders Co, Philadelphia, 1975
2. Condon RE: Appendicitis. In DC Sabiston (ed):Textbook of Surgery p 938. WB Saunders Co, Philadelphia, 1972
3. Deal DR: Acute appendicitis. In MH Sleisenger and JS Fordtran (eds):Gastrointestinal Disease pp 1494–1499. WB Saunders Co, Philadelphia, 1973
4. Sleisinger MH: Acute appendicitis. In PB Beeson and W McDermott (eds):Textbook of Medicine pp 1274–1277. WB Saunders Co, Philadelphia, 1975
5. Soter CS: The contribution of the radiologist to the diagnosis of acute appendicitis.Semin Roentgenol 8:375–388, 1973