Observational Study
Copyright ©The Author(s) 2024.
World J Gastroenterol. Dec 28, 2024; 30(48): 5162-5173
Published online Dec 28, 2024. doi: 10.3748/wjg.v30.i48.5162
Figure 1
Figure 1 Examples of pharyngeal acid reflux episodes. A: Detected by 24-hour ambulatory 3-potential of hydrogen (pH)-sensor; B: Hypopharyngeal multichannel intraluminal impedance-pH catheters. LES: Lower esophageal sphincters; UES: Upper esophageal sphincters.