Authors: Elizabeth A Laude; Nicholas C Duffy; Chloe Baveystock; Beatriz Dougill; Michael J Campbell; Rod Lawson; Paul W Jones; Peter M Calverley Journal: Am J Respir Crit Care Med Date: 2006-01-26 Impact factor: 21.405
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Authors: D E O'Donnell; T Flüge; F Gerken; A Hamilton; K Webb; B Aguilaniu; B Make; H Magnussen Journal: Eur Respir J Date: 2004-06 Impact factor: 16.671