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Abstract
Entities: Disease
Mesh: See more » Arthritis, Rheumatoid/epidemiologyEpidemiologic MethodsHumans
Year: 1967 PMID: 6024519 PMCID: PMC1842327 DOI: 10.1136/bmj.2.5553.651
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447