Boyz 'n girlz in the hood.
D000293:Adolescent; D003153:Community Health Services / Q000458:organization & administration*; D005260:Female; D006293:Health Promotion; D006785:Hospitals, University; D006801:Humans; D008297:Male; D009519:New York City; D011203:Poverty; D012579:Schools, Nursing; D014504:Urban Health; D014838:Volunteers