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Abstract
Mesh: See more » CultureEthnologyHumansNew York CityPuerto RicoSocial ConditionsSocial Welfare
Year: 1966 PMID: 5916451 DOI: 10.1038/scientificamerican1066-19
Source DB: PubMed Journal: Sci Am ISSN: 0036-8733 Impact factor: 2.142