title: Treatment of long-term hospitalized mental patients through the use of volunteers as group leaders.
mesh_terms: D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006760:Hospitalization; D006778:Hospitals, Psychiatric; D006801:Humans; D007398:Interpersonal Relations; D007857:Leadership; D008297:Male; D008404:Massachusetts; D001523:Mental Disorders / Q000628:therapy*; D008875:Middle Aged; D011615:Psychotherapy, Group / Q000193:education; D012917:Social Adjustment; D014838:Volunteers / Q000706:statistics & numerical data*