Mutual support groups in Great Britain. A survey.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001290:Attitude; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011593:Psychology, Social; D012657:Self-Help Groups / Q000458:organization & administration*; D011795:Surveys and Questionnaires; D006113:United Kingdom