This potential observational study was conducted on 61 Consecutive patients attending the Otorhinolaryngology Clinic, Qena University Medical center from November 2017 till September 2018. The patients included in this study ended up offered to ENT Section with persistent laryngeal signs and symptoms of cough, sore throat, throat clearing, globus or https://www.directivepublications.org/journal-of-gastroenterology-hepatology-and-endoscopy-research/