2Moore RH,Khan A,Dickey BF.Long-acting inhaled β2-ago-nists in asthma therapy[J].Chest,1998;113(4):1095
3Ram FS,Sestini P.Regular inhaled short acting β2 agonists for the management of stable chronic obstructive pulmonary disease;Cochrane systematic review and meta-analysis[J].Thorax,2003,58(7):580
4O'Driscoll BR,Kay EA,Taylor RJ,et al.A long-term prospective assessment of home nebuliger treatment[J].Respir Med,1992,86(4):317
5Pauwels RA,Buist AS,Calverley PM,etal.Global stralegy for the iabnosismanagement,and prevention of chronic obstructive pulmonary disease:NHLBI/WHO Global Initiative for chronic obstructive Lung Disease (COPD) Workshop summary[J].Am J Respir Crit Care Med,2001,163(5):1256
6Sullivan P,Bekir S,Jaffar Z,et al.Anti-inflammatory effects of low-dose oral theophylline in atopic asthma[J].Lancel,1994,343(8904):1006
7Sharp JT,Theophylline in chronic obstructive pulmonary disease[J].J Allergy Chin Immunol,1986,11(5):265.