Regmi Chalise, S.; Khadka, S.; Mukhia, R.; Thapa, A.; Gautam, S.; Sah, M.; Ranjan, R. Prevalence of Laryngopharyngeal Reflux in Patients With Gastroesophageal Reflux Disease Undergoing Upper Esophagogastroduodenoscopy. Journal of Institute of Medicine 2019, 41, 8-12.