Buranathawornsom, A., & Bunchorntavakul, C. (2025). Efficacy of lidocaine spray, either alone or in combination with anti-inflammatory throat spray, in alleviating discomfort during unsedated esophagogastroduodenoscopy: A double-blind randomized controlled trial. Journal of Medicine and Health Sciences, 32(2), 118–129. retrieved from https://he01.tci-thaijo.org/index.php/jmhs/article/view/278466