RT Journal Article SR Electronic T1 CT in COPD: just a pretty picture or really worth a thousand words (or dollars)? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 741 OP 742 DO 10.1136/thx.2011.161430 VO 66 IS 9 A1 Sin, Don D A1 Leipsic, Jonathon A1 Man, S F Paul YR 2011 UL http://thorax.bmj.com/content/66/9/741.abstract AB