Buranathawornsom A, Bunchorntavakul C. 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. J Med Health Sci [internet]. 2025 Aug. 31 [cited 2026 Sep. 18];32(2):118-29. available from: https://he01.tci-thaijo.org/index.php/jmhs/article/view/278466