Advair® DISKUS® (Fluticasone Propionate/Salmeterol) Versus Serevent® DISKUS® (Salmeterol) For The Treatment Of Chronic Obstructive Pulmonary Disease Exacerbations [clinicaltrials:NCT00144911]

Advair® DISKUS® (Fluticasone Propionate/Salmeterol) Versus Serevent® DISKUS® (Salmeterol) For The Treatment Of Chronic Obstructive Pulmonary Disease Exacerbations [clinicaltrials:NCT00144911]