title: Relationship between depression and exacerbations in COPD: a response.
authors.forename: C
authors.initials: C
authors.lastname: Laurin
authors.forename: K L
authors.initials: KL
authors.lastname: Lavoie
authors.forename: S L
authors.initials: SL
authors.lastname: Bacon
mesh_terms: D001007:Anxiety; D003863:Depression / Q000150:complications*; D006801:Humans; D011446:Prospective Studies; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications* / Q000523:psychology*; D012107:Research Design; D012720:Severity of Illness Index; D016896:Treatment Outcome