Outgrowth of the Bacterial Airway Microbiome after Rhinovirus Exacerbation of Chronic Obstructive Pulmonary Disease - Molyneaux,PL; Mallia,P; Cox,MJ; Footitt,J; Willis-Owen,SAG; Homola,D; Trujillo-Torralbo,M-B; Elkin,S; Kon,OM; Cookson,WOC; Moffatt,MF; Johnston,SL (AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE, 2013)