Chien-Chung Liao

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OBJECTIVE Gastroesophageal flap valve (GEFV) grade predicts severe gastroesophageal reflux disease in Caucasians, but its role in other populations is unclear. This study evaluated the significance of endoscopic grading of the GEFV in Taiwanese subjects. METHODS Five hundred and six consecutive patients undergoing routine check-ups at the National Taiwan(More)
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