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Abstract
Entities: Disease
Mesh: See more » Acute DiseaseDuodenal Ulcer/complicationsEsophagoscopyFiber Optic TechnologyGastrointestinal Hemorrhage/diagnosisGastrointestinal Hemorrhage/etiologyGastroscopyHumansTime Factors
Year: 1971 PMID: 4105182
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321