No abstract available
MeSH terms
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Aspirin / adverse effects*
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Esophageal Achalasia / surgery*
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Esophageal Sphincter, Lower / surgery
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Esophagoscopy / adverse effects
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Female
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Hematoma / etiology*
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Humans
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Middle Aged
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Platelet Aggregation Inhibitors / adverse effects*
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Postoperative Hemorrhage / etiology*
Substances
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Platelet Aggregation Inhibitors
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Aspirin