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80 and over
Aged
1
Anti-Inflammatory Agents
1
Anticoagulants
1
Female
1
Gastrointestinal Hemorrhage
1
Hematemesis
Humans
Iceland
1
Incidence
Male
1
Melena
1
Meltingarfærasjúkdómar
1
Middle Aged
1
Non-Steroidal
1
Prospective Studies
1
Risk Factors
1
Severity of Illness Index
1
Upper Gastrointestinal Tract
1
Warfarin
1
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