6Mathis RD,Chiumento AB.An outcome study of the use of computed tomography for the diagnosis of appendicitis in a community based emergency department[J].South Med J,2005, 98(12):1169--1172.
7Tsukada K,Miyazaki T.Olinical factors influencing CT findings in patients with acute appendicitis[J]. Hepatogastroenterology, 2005,52(66): 1748-1751.
8Raptopoulos V,Katsou G.Acute appendicitis:effect of increased use of CT on selecting patients earlier[J].radiology2005,226(2):521-526.
9Jeffrey RB, Birnbaum BA. CT and sonographic evaluation of acute right lower quadrant abdominal pain[J]. AJR American Journal of Roentgenology,, 1998, 170(2): 361-371.
10RaoPM, RheaJT, NovellineRA, et al. HelicalCTtechnique for the diagnosis of appendicitis: Prospective valuation of a focused appendix CT examination[J]. Radiology, 1997, 202(1): 139 -144.