Comparison of Lidocaine Spray and Lidocaine Ice Popsicle in Patients Undergoing Unsedated Esophagogastroduodenoscopy: A Single Center Prospective Randomized Controlled Trial.
Prasit MahawongkajitNantawat TalalakNeranchala SoonthornkesPublished in: Clinical and experimental gastroenterology (2021)
Thai Clinical Trials Registry (TCTR) number TCTR20190502001.