Joshi BG, Ghimire M. Diagnostic Yield of Upper Gastrointestinal Endoscopy in Children: A Three Years Experience. J. Nepal Paedtr. Soc. [Internet]. 2020 Sep. 11 [cited 2024 Jun. 30];40(2):87-92. Available from: https://nepjol.info/index.php/JNPS/article/view/29321