RT Journal Article
SR Electronic
T1 What evidence could validate the definition of COPD?
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 756
OP 757
DO 10.1136/thx.2008.099895
VO 63
IS 9
A1 de Marco, Roberto
YR 2008
UL http://thorax.bmj.com/content/63/9/756.abstract
AB