Authors: D D Sin; L Wu; J A Anderson; N R Anthonisen; A S Buist; P S Burge; P M Calverley; J E Connett; B Lindmark; R A Pauwels; D S Postma; J B Soriano; W Szafranski; J Vestbo Journal: Thorax Date: 2005-10-14 Impact factor: 9.139
Authors: Vincent S Fan; Chris L Bryson; J Randall Curtis; Stephan D Fihn; Pierre-Olivier Bridevaux; Mary B McDonell; David H Au Journal: Am J Respir Crit Care Med Date: 2003-10-02 Impact factor: 21.405