The role of psychotherapy in chronic depressions: a proposal.
D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003131:Combined Modality Therapy; D003866:Depressive Disorder / Q000175:diagnosis / Q000628:therapy*; D005500:Follow-Up Studies; D006801:Humans; D010043:Outcome and Process Assessment, Health Care; D011613:Psychotherapy; D011614:Psychotherapy, Brief; D013997:Time Factors