1[1]Bendeck SE, Nino MM, Berry GJ, et al. Imaging for suspected appendicitis: negative appendectomy and perforation rates. Radiology, 2002, 225(1):131
2[2]Rettenbacher TH, Hollerweger AL, Gritzmann NO, et al. Appendicitis:should diagnostic imaging be performed if the clinical presentation is highly suggestive of the disease? Gastroenterology, 2002 , 123(4): 992
3[3]Lee JH, Jeong YK, Hwang JC, et al. Graded compression sonography with adjuvant use of a posterior manual compression technique in the sonographic diagnosis of acute appendicitis. AJR-Am-J-Roentgenol, 2002,178(4): 863
