RT Journal Article SR Electronic T1 Ageing lungs and very elderly COPD: anytime and anywhere JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 379 OP 381 DO 10.1183/13993003.01806-2015 VO 47 IS 2 A1 Joan B. Soriano A1 Samy Suissa YR 2016 UL http://erj.ersjournals.com/content/47/2/379.abstract AB