COPD in 2001: a major challenge for medicine, the pharmaceutical industry, and society.
Rennard
Stephen I
SI
Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Nebraska Medical Center, 985125 Nebraska Medical Center, Omaha, NE 68198-5125, USA. srennard@unmc.edu
Farmer
Stephen G
SG
D014943:Global Health; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy / Q000503:physiopathology / Q000517:prevention & control*; D012106:Research