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Abstract
Entities: Disease
Keywords: POLIOMYELITIS/prevention and control; SANITATION
Mesh: See more » Biomedical ResearchHumansPoliomyelitis/prevention & controlSanitation
Year: 1957 PMID: 13446499 PMCID: PMC1962094
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447