RT Journal Article
SR Electronic
T1 COPD assessment: I, II, III, IV and/or A, B, C, D
JF European Respiratory Journal
JO Eur Respir J
FD European Respiratory Society
SP 949
OP 950
DO 10.1183/09031936.00019714
VO 43
IS 4
A1 Claus Vogelmeier
A1 Jørgen Vestbo
YR 2014
UL http://erj.ersjournals.com/content/43/4/949.abstract
AB