6Rabe KF,Hurd S,Anzueto A,et al.Global strategy for the diagnosis,managememt,and prevention of chronic obstructive pulmonary disease:GOLD executive summary[J].Am J Respir Crit Care Med,2007,176(10):532-555.
7Combive NT.Inhalaion Aerosol Study Group.In chronic obstructive pulmonary disease,a combination of ipratropium and blbuterol is more effictive than either agent alone.An 85-day multicenter trial[J].Chest,1994,105(12):1 411-1 419.
8Combie NT.Inhalation Solution Study Group.Routine nebulized ipratropium and albuterol together are better than either alone in COPD[J].The Chest,1997,112(6):1 514-1 521.
9Hanania NA,Donohue JF.Pharmacologic interventions in chronic obstructive pulmonary diseade:bronchodilators[J].Proc Am Thorac Soc,2007,4(9):526-534.
