The values of volunteer benefactors.
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000534:rehabilitation; D008297:Male; D008875:Middle Aged; D009042:Motivation; D012945:Social Values; D014838:Volunteers / Q000523:psychology*