Kitiyakara, T. , Kamalaporn, P. , Poolsombat, A. , Anumas, P. , T. Tawarate, T. and Akkanit, K. 2021. Leak-Testing of an Endoscopic Aerosol Box for Preventing SARS-CoV-2 Infection during Upper Gastrointestinal Endoscopy. Siriraj Medical Journal. 73, 10 (Oct. 2021), 702–709. DOI:https://doi.org/10.33192/Smj.2021.90.