title: Evaluation of the effectiveness of professionals and nonprofessionals as instructors of "coping with depression" classes for elders.
mesh_terms: D000368:Aged / Q000523:psychology*; D003863:Depression / Q000517:prevention & control / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011369:Professional-Patient Relations; D012657:Self-Help Groups; D011795:Surveys and Questionnaires