No abstract available
MeSH terms
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Endoscopes
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Esophagitis
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Esophagogastric Junction / diagnostic imaging
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Esophagogastric Junction / surgery
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Esophagoscopes
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Gastritis / diagnosis
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Gastroscopes
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Hernia, Diaphragmatic / diagnosis*
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Hernia, Diaphragmatic / diagnostic imaging
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Humans
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Pressure
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Radiography
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Valsalva Maneuver