4Flum D R, Koepsell T. The clinical and economic correlates of misdiagnosed appendicitis : nationwide analysis [ J ]. Arch Surg, 2002,137(7) :799-804.
5Khairy G. Acute appendicitis : is removal of a normal appen, dix still existing and can we reduce its rate? [ J ]. Saudi J Gastroenterol, 2009,15 ( 3 ) : 167-170.
6Yardeni D, Hirschl R B, Drongowski R A, et al. Delayed versus immediate surgery in acute appendicitis: do we need to operate during the night? [ J ]. J Pediatr Surg, 2004,39 (3) :464-469.
