Esophageal aspiration: a test for reflux peptic esophagitis.
D004194:Disease; D004935:Esophageal Diseases; D004942:Esophagitis, Peptic; D004947:Esophagus; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis*
ESOPHAGUS/diseases; PEPTIC ULCER/diagnosis