No abstract available
MeSH terms
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Aged
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Cytomegalovirus Infections / complications*
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Endoscopy, Gastrointestinal
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Esophagitis / complications*
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Esophagitis / pathology
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Esophagitis / virology*
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Female
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Gastrointestinal Hemorrhage / diagnosis
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Gastrointestinal Hemorrhage / etiology*
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Gastrointestinal Hemorrhage / virology
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Humans