1Matsumoto H,Niimi A,Tabuena RP,et al. Airway wall thickening in patients with cough variant asthma and nonasthmatic chronic cough [ J] . Chest, 2007, 31(4) :1042 -1049.
2Kang H,Koh YY,Yoo Y,et al. Maximal airway response to methacholine in cough - variant asthma : Comparison with classic asthma and its relationship to peak expiratory flow variability [ J] ? Chest, 2005,128:3881 -3887.
3Fujimura M,Abo M,Ogawa H,et al. Importance of atopic cough, cough variant asthma and sinobronchial syndrome as causes of chronic cough in the Hokuriku area of Japan [ J] Respirology,2005, 10:201 -207.
4De Diego A,Martinez E,Peris M,et al, Airway inflammation and cough sensitivity in cough - variant asthma[ J] . Allergy ,2005 ,60: 1407 - 1411.