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Abstract
Entities: Disease
Mesh: See more » Amebiasis/epidemiologyCholera/epidemiologyCommunicable Disease ControlHumansMalaria/epidemiologyPlasmodium falciparumSmallpox/epidemiologyTravelTropical MedicineUnited Kingdom
Year: 1971 PMID: 4933387 PMCID: PMC1800112
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447