No abstract available
MeSH terms
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Endoscopy, Gastrointestinal
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Esophageal Achalasia / pathology*
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Esophageal Achalasia / surgery
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Esophagus / pathology*
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Esophagus / surgery
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Female
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Humans
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Middle Aged
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Natural Orifice Endoscopic Surgery / methods*
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Tomography, Optical Coherence / methods*