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Abstract
Mesh: See more » Colonic Diseases/diagnosisEndoscopesEndoscopyFiber Optic TechnologyGastrointestinal Hemorrhage/etiologyHumansIntestinal Diseases/diagnosisOccult BloodStomach Diseases/diagnosisStomach Ulcer/diagnosis
Year: 1971 PMID: 4930158 PMCID: PMC1411624 DOI: 10.1136/gut.12.4.330
Source DB: PubMed Journal: Gut ISSN: 0017-5749 Impact factor: 23.059