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Open Access Gastroesophageal Reflux Disease Gerd
Found 1 free book(s)Swallowing Disorders: Introduction
www.hopkinsmedicine.orgstomach. When sour or bitter regurgitation is present, the problem may fall within the spectrum of gastroesophageal reflux disease (GERD), rather than a swallowing disorder. Nasal Regurgitation The nasopharynx closes through a combination of soft palate elevation and contraction of the upper pharyngeal constrictor muscles (the superior pharyngeal