J Berry. Show Affiliations »
Abstract
Mesh: See more » AdolescentAge FactorsDuodenal Ulcer/epidemiologyHematemesis/etiologyHumansMalePeptic Ulcer Hemorrhage/epidemiology
Year: 1972 PMID: 5057002 PMCID: PMC1940922
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262