7KIZER K W,VASSAR M J.Emergency department diagnosis of abdominal disorders in the elderly[J].Am J Emerg Med,1998,16:357-362.
8BREWER R J,GOLDEN G T,HITCH D C,et al.Abdominal pain:an analysis of 1,000 consecutive cases in a university hospital emergency room[J].Am J Surg,1976,131∶219-224.
9FENYO G.Acute abdominal disease in the elderly:experience from two series in Stockholm[J].Am J Surg,1982,143:751-754.
10FENYO G.Diagnostic problems of acute abdominal diseases in the aged[J].Acta Chir Scand,1974,140:396-405.