RT Journal Article
SR Electronic
T1 Statistical analysis of COPD exacerbations
JF European Respiratory Journal
JO Eur Respir J
FD European Respiratory Society
SP 1421
OP 1422
DO 10.1183/09031936.00123408
VO 32
IS 5
A1 O. N. Keene
A1 P. M. A. Calverley
A1 P. W. Jones
A1 J. Vestbo
A1 J. A. Anderson
YR 2008
UL http://erj.ersjournals.com/content/32/5/1421.abstract
AB