Calvo-Henríquez, Christian Is Pepsin a Reliable Marker of Laryngopharyngeal Reflux? A Systematic Review. [electronic resource] - Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery 09 2017 - 385-391 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1097-6817 Standard No.: 10.1177/0194599817709430 doi Subjects--Topical Terms: Biomarkers--analysisHumansLaryngopharyngeal Reflux--diagnosisPepsin A--analysisReproducibility of ResultsSaliva--chemistry