Letter to the editor: authors' response

Alexandra L Quittner, Dave Barker, Lutz Goldbeck, Alistair Duff, Janice Abbott
2015 Thorax  
doi:10.1136/thoraxjnl-2014-206708 pmid:25636317 fatcat:c6d2n2ibobb7hb2qqa2yq4gwvu