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Gastroesophageal flap valve (GEFV) grading is a simple and reproducible parameter. There is limited information about the association between GEFV abnormality and novel parameters in patients with gastroesophageal reflux disease(GERD) symptoms by the Lyon Consensus.

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Source: Nature

  • The University of Texas Health Science Center at Houston
  • Baylor College of Medicine
  • Baylor University
  • Houston Methodist, Houston
  • American College of Gastroenterology