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Abstract
Entities: Disease
Mesh: See more » AdultBlood Group AntigensChild, PreschoolDuodenal Ulcer/bloodHumans
Substances: See more » Blood Group Antigens
Year: 1976 PMID: 953601 PMCID: PMC1687608
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447