Boonkhruachoo, P.; Tubwae, R.; Inphook, U.; Ontpoo, J.; Youngsee, W.; Saijam, S. Effect of Educational Information with Multimedia on Preoperative behavior of Patients Undergoing Esophagogastroduodenoscopy in Uttaradit Hospital. HSCR 2022, 37, 78-86.