(Q34590347)
Statements
1 reference
Interpreting thresholds for a clinically significant change in health status in asthma and COPD. (English)
1 reference
P W Jones
1 reference
1 March 2002
1 reference
1 reference
19
1 reference
3
1 reference
398-404
1 reference
Identifiers
1 reference
1 reference