PT  - JOURNAL ARTICLE
AU  - P.J. Sterk
AU  - E.H. Bel
TI  - Small airways, big challenge
AID  - 10.1183/09059180.00011310
DP  - 2011 Mar 01
TA  - European Respiratory Review
PG  - 001--002
VI  - 20
IP  - 119
4099  - http://err.ersjournals.com/content/20/119/001.short
4100  - http://err.ersjournals.com/content/20/119/001.full
SO  - EUROPEAN RESPIRATORY REVIEW2011 Mar 01; 20