Is the Botulinum Toxin Injection Into the Cricopharyngeal Sphincter Precipitate Laryngopharyngeal Reflux Symptoms in Patients With Retrograde Cricopharyngeal Dysfunction?
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Objective: To investigate the potential relationship between retrograde cricopharyngeal dysfunction (R-CPD) and laryngopharyngeal reflux disease (LPRD) at baseline and whether cricopharyngeal sphincter paralysis botulinum toxin i... ...
