RT Journal Article SR Electronic T1 Authors’ response to: Epithelial mesenchymal transition (EMT) in small airways of COPD patient JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 784 OP 784 DO 10.1136/thoraxjnl-2013-203484 VO 68 IS 8 A1 Javier Milara A1 Teresa Peiró A1 Adela Serrano A1 Julio Cortijo YR 2013 UL http://thorax.bmj.com/content/68/8/784.abstract AB