Authors: Klaus F Rabe; Eric D Bateman; Denis O'Donnell; Stephan Witte; Dirk Bredenbröker; Thomas D Bethke Journal: Lancet Date: 2005 Aug 13-19 Impact factor: 79.321
Authors: J A van Noord; J-L Aumann; E Janssens; J J Smeets; J Verhaert; B Disse; A Mueller; P J G Cornelissen Journal: Eur Respir J Date: 2005-08 Impact factor: 16.671