2Horton MD,Counter SF,Florence MG,et al.A prospective trial of cosmography and ultrasonography for diagnosing appendicitis in the atypical patient[J].Am J Surg,2000,179(5):379-381.
3周永昌 郭万学.超声医学[M].北京：科学技术文献出版社,1998.1055-1059.
4Jong Hwa Lee.Sonogrphy of acute appendicitis.Semincars in US CT and MRI,2003,24(2):83 ～ 90.
