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Continue to ChatEndoscopic and Manometric Characteristics of the Gastroesophageal Valve in Lateral Decubitus and Upright Positions in Clinically Normal Patients https://www.sages.org/meetings/annual-meeting/abstracts-archive/endoscopic-and-manometric-characteristics-of-the-gastroesophageal-valve-in-lateral-decubitus-and-upright-positions-in-clinically-normal-patients/