3Jong Hwa Lee.Sonogrphy of acute appendicitis.Seminars in US CT and MRI,2003,24(2):83-90
4Rubin SZ,Martin DJ. Ultrasonography in the management of possible appendicitis in childhood. J Pediatr Surg, 1990,25 (7) : 737-740.
5Kniskern JH,Eskin EM,Fletcher HS. Increasing accuracy in the diagnosis of acute appendicitis with modern diagnostic techniques. Am Surg, 1986,52 (4): 222-225.
6Akada T,Yasuda H,Uchiyama K,et al. Ultrasonographic diagnosis of acute appendicitis in surgical indication. Int Surg, 1986,71 (1) : 9-13.
7Himeno S,Yasuda S,Oida Y,et al. Ultrasonography for the diagnosis of acute appendicitis. Tokai J Exp Clin Med, 2003,28(1):39-44.
8Niekel. RA,Lampmann LE. Graded compression sonography in acute appendicitis. Rofo, 1986,145 (4): 441-445.
9Ceres L,Alonso I,Lopez P,et al. Ultrasound study of acute appendicitis in children with emphasis upon the diagnosis of retrocecal appendicitis. Pediatr Radiol, 1990,20 (4) : 258-261.
10Nance ML,Adamson WT,Hedrick HL. Appendicitis in the young child:a continuing diagnostic challenge. Pediatr Emerg Care, 2000,16(3):160-162.
