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Abstract
Keywords: POPULATION; VITAL STATISTICS
Mesh： See more » CensusesHumansPopulationVital Statistics
Year: 1951 PMID： 14821514 PMCID： PMC2068665 DOI： 10.1136/bmj.1.4709.720
Source DB: PubMed Journal: Br Med J ISSN： 0007-1447