%0 Book %E Antonio Anzueto %E Yvonne Heijdra %E John R. Hurst %T Controversies in COPD %D 2015 %R 10.1183/2312508X.erm6915 %I %P 333 %@ 978-1-84984-064-4 %U http://books.ersjournals.com/content/9781849840644/9781849840644