Regmi Chalise, Sangita. 2019. “Prevalence of Laryngopharyngeal Reflux in Patients With Gastroesophageal Reflux Disease Undergoing Upper Esophagogastroduodenoscopy”. Journal of Institute of Medicine Nepal 41 (3):8-12. https://www.jiomnepal.com.np/index.php/jiomnepal/article/view/108.