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Abstract
Mesh: See more » AdultAgedHumansMiddle AgedPeptic Ulcer/mortalityTime FactorsUnited Kingdom
Year: 1985 PMID: 3929981 PMCID: PMC1417199 DOI: 10.1136/bmj.291.6500.968
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623