Patients as therapists.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D001523:Mental Disorders / Q000628:therapy*; D008875:Middle Aged; D010817:Physician-Patient Relations; D011613:Psychotherapy