Chronic obstructive pulmonary disease (COPD).
Senior
R M
RM
Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, USA. rsenior@imgate.wustl.edu
Anthonisen
N R
NR
D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D012307:Risk Factors