Formánek, Martin Comparison of Impedance and Pepsin Detection in the Laryngeal Mucosa to Determine Impedance Values that Indicate Pathological Laryngopharyngeal Reflux. [electronic resource] - Clinical and translational gastroenterology Oct 2017 - e123 p. digital Publication Type: Journal Article ISSN: 2155-384X Standard No.: 10.1038/ctg.2017.49 doi