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authors.forename: John R
authors.initials: JR
authors.lastname: Beard
mesh_terms: D016000:Cluster Analysis; D003710:Demography; D004812:Epidemiologic Methods; D005163:Factor Analysis, Statistical; D006304:Health Status; D006801:Humans; D012111:Residence Characteristics / Q000145:classification / Q000706:statistics & numerical data*
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