PT  - JOURNAL ARTICLE
AU  - T. Troosters
TI  - How important is a minimal difference?
AID  - 10.1183/09031936.00156410
DP  - 2011 Apr 01
TA  - European Respiratory Journal
PG  - 755--756
VI  - 37
IP  - 4
4099  - http://erj.ersjournals.com/content/37/4/755.short
4100  - http://erj.ersjournals.com/content/37/4/755.full
SO  - Eur Respir J2011 Apr 01; 37