(Q47950295)
Statements
1 reference
The GOLD classification has advanced understanding of COPD. (English)
1 reference
Peter M A Calverley
1 reference
1 August 2004
1 reference
170
1 reference
3
1 reference
211-2; discussion 214
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference