title: A SIMPLE TEST FOR THE DETECTION OF OESOPHAGEAL REFLUX.
mesh_terms: D003933:Diagnosis; D004947:Esophagus; D005764:Gastroesophageal Reflux; D006548:Hernia, Diaphragmatic; D006551:Hernia, Hiatal; D006801:Humans; D008751:Methylene Blue
chemical_list: D008751:Methylene Blue
keywords: DIAGNOSIS; DIAPHRAGMATIC HERNIA; ESOPHAGUS; METHYLENE BLUE