The prophylactic value of extra ECT in depressive illness.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000553:Ambulatory Care; D003863:Depression / Q000175:diagnosis / Q000517:prevention & control / Q000628:therapy*; D004565:Electroconvulsive Therapy; D005069:Evaluation Studies as Topic; D005260:Female; D005500:Follow-Up Studies; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D011594:Psychometrics; D012008:Recurrence; D012075:Remission, Spontaneous; D012649:Self Concept; D013997:Time Factors