title: Introduction to symposium on chronic obstructive pulmonary disease.
authors.affiliation: Department of Internal Medicine, Louisiana State University Medical Center at Shreveport, 71130-3932, USA.
authors.forename: R B
authors.initials: RB
authors.lastname: George
authors.forename: G S
authors.initials: GS
authors.lastname: San Pedro
mesh_terms: D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy