title: Depression and COPD: is smoking a link?
authors.forename: Roger T
authors.initials: RT
authors.lastname: Mulder
mesh_terms: D003863:Depression / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology*; D012907:Smoking / Q000009:adverse effects*