GERD is frequently observed among individuals who have an _________.

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     abnormal pyloric sphincter
      abnormal anal sphincter
      abnormal ileocecal valve
      abnormal lower esophageal sphincter
asked Jun 25, 2013 in Nutrition by anonymous
    

1 Answer

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abnormal lower esophageal sphincter
answered Jun 26, 2013 by Ilovefood ~Expert~ (4,050 points)

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