Newbury, W.Newbury, J.Crockett, A.2011-05-182011-05-182010Primary Care Respiratory Journal, 2010; 19(3):287-2871471-44181475-1534http://hdl.handle.net/2440/63709en© 2010 Primary Care Respiratory Society UK. All rights reservedAuthor's reply to: Measuring the lung age of smokersJournal article002010642710.4104/pcrj.2010.000482-s2.0-7795757488430724