1Caroline E. Blane,Susan J. White,John R. Wesley,Arnold G. Coran. Sonography of ruptured appendicitis[J] 1986,Gastrointestinal Radiology(1):357～360
2Wolf B. Schwerk M.D.,Britta Wichtrup,Joseph Rüschoff M.D.,Matthias Rothmund M.D.. Acute and perforated appendicitis: Current experience with ultrasound-aided diagnosis[J] 1990,World Journal of Surgery(2):271～276
