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Abstract
Mesh: See more » BrazilPublic AssistancePublic HealthSocial ClassSocioeconomic Factors
Year: 1967 PMID: 5619823 DOI: 10.1590/s0034-89101967000200004
Source DB: PubMed Journal: Rev Saude Publica ISSN: 0034-8910 Impact factor: 2.106