1[1]Dentsch AA. Laparoscopy in the prevention of unnecessary appendisectomies: a prospective study. Br J Surg, 1982,69:336
2[2]Josephson T, Styrud J, Eriksson S. Ultrasonography in acute appendicitis. Body mass index as selection factor for US examination. Acta Radiol,2000 Sep, 41 (5): 486 - 489
3[3]Von Preusser R, Wien KL, Wochenschr IN. One patient with acute appendicitis diagnosed by ultrasonography. Radiology, 1981,93:587
4[4]Puylaert JBCM. Acute appendicitis: US evaluation using graded comprssion. Radiology, 1986,158: 355
5[5]Horton MD, Counter SF, Florence MG, et al. A prospective trial of comography and ultrasonography for diagnosing appendicitis in the atypical patient. Am J Surg,2000 May, 179(50) :379 - 381
6[6]Pickuth D, Heywang Kobrumner SH, Spielmann RP. Suspected acute appendicitis: is ultrasonography or computed tomography the preferred imaging technique? Eur J Surg, 2000 Apr, 166(4): 315 -319
7[7]Chen SC, Wang HP, Hsu HY, et al. Accuracy of ED sonography in the diagnosis of acute appendicitis. Am J Emerg Med, 2000 Jul, 18 (4) :449 - 452
8[8]Karakas SP, Guelfguat M, Leonidas JC, et al. Acute appendicitis in children: comparison of clinical diagnosis with ultrasound and CT imaging. Pediatr Radiol,2000 Feb,30(2) :94 - 98
9[9]Styrud J, Josephson T, Eriksson S. Reducing negative appendectomy: evaluation of ultrasonography and computer tomography in acute appendicitis. Int J Qual Health Care,2000 Feb, 12(1) :65- 68
10[11]Quillin SP, Siegel MJ. Appendicitis: efficacy of color Doppler sonography. Radiology, 1994,191:557 - 560