Scintigraphic Imaging of Extra-Esophageal Manifestation of Gastresophageal Reflux Disease.
Hans Van der WallLeticia BurtonMichelle CookeGregory L FalkDavid TovmassianJames J ConwayPublished in: The Laryngoscope (2024)
Although prospective, the study did not randomize patients and in effect each patient became their own control following an intervention (fundoplication). Thus, the study is Level 3 evidence Laryngoscope, 2024.