【摘 要】
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Dysphagia,defined as difficulty swallowing,is a common symptom negatively impacting millions of adults annually.Estimated prevalence ranges from 14 to 33 percen
【机 构】
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DavidGeffenSchoolofMedicine,DepartmentofOtolaryngology,DepartmentofHeadandNeckSurgery,GreaterLosAnge