2Irwin Rs,Boult LP. Cloutier MM,et al. Managing cough as a defence mechanism and symptom:aconsensus panel of the american college of chest physician, chest, 1998 : 133.
2Irwin R S,Cruley F J,French C L.Chronic cough:The spectrum and frequency of cause,key components of the diagnostic evaluation,and outcome of specific therapy[J].Am RevRespir Dis,1990,141(3):640-647.
3Wei P,Zhang J,Yu B P,et al.Comparative study of the use of impulse oscilometry and wentilation test in bronchialstimulating test[J].Zhongguo Xiandai Yixue Zazhi,2003,13(17):74-79.
4Mcgarvey Lpa,Iicancy L G,Lawson J T,et al.Evaluation and out-come of patients with chronic non-productive cough using a comprechensive diagnosis protocol[J].Thorax,1998,53:738-743.