title: Chronic depression.
authors.forename: R
authors.initials: R
authors.lastname: Daly
mesh_terms: D002908:Chronic Disease; D015928:Cognitive Behavioral Therapy; D003863:Depression / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D011379:Prognosis