No abstract available
MeSH terms
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Barium Sulfate
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Drug Resistance
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Gastric Acidity Determination
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Gastroesophageal Reflux / diagnosis*
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Gastroesophageal Reflux / drug therapy
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Gastroesophageal Reflux / surgery*
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Gastroscopy
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Humans
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Manometry
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Monitoring, Physiologic
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Preoperative Care / methods*