title: In the clinic. Chronic obstructive pulmonary disease.
authors.forename: Michael R
authors.initials: MR
authors.lastname: Littner
mesh_terms: D006801:Humans; D008403:Mass Screening; D010353:Patient Education as Topic; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology; D012307:Risk Factors; D016540:Smoking Cessation; D014481:United States / Q000453:epidemiology