1. Appendicitis;Graffeo CS;Emerg Med Clin North Am,1996
2. A comparative study of pre-operative with operative diagnosis in acute abdomen;Chhetri RK;Kathmandu Univ Med J (KUMJ),2005
3. Computer-aided diagnosis of acute abdominal pain;de Dombal FT;Br Med J,1972
4. Are some some appendectomies unnecessary? An analysis of 319 white appendices;Deutsch AA;J R Coll Surg Edinb,1983
5. Emergency room patients with abdominal pain unrelated to trauma: prospective analysis in a surgical university hospital;Simmen HP;Hepatogastroenterology,1991