Roflumilast in moderate-to-severe chronic obstructive pulmonary disease treated with longacting bronchodilators: two randomised clinical trials
Author:
Leonardo M Fabbri,Peter MA Calverley,José Luis Izquierdo-Alonso,Daniela S Bundschuh,Manja Brose,Fernando J Martinez,Klaus F Rabe
Date:
29 August–4 September 2009
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