TY  - RPRT
TI  - Much ado about nothing?
AU  - C Vogelmeier
AU  - U Costabel
PY  - 2006
DO  - 10.1183/09031936.06.00031406
UR  - https://pubmed.ncbi.nlm.nih.gov/16707388/
ID  - 16707388
ER  -