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Abstract
Mesh: See more » Health Resources/supply & distributionInsurance, Health/trendsState Medicine/trendsUnited KingdomUnited States
Year: 1984 PMID: 6727944 DOI: 10.1056/NEJM198406213102518
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245