A MULTIPHASE ESOPHAGEAL  PH TEST FOR GASTROESOPHAGEAL REFLUX.
D003933:Diagnosis; D004941:Esophagitis; D004942:Esophagitis, Peptic; D004945:Esophagoscopy; D005764:Gastroesophageal Reflux; D006548:Hernia, Diaphragmatic; D006863:Hydrogen-Ion Concentration; D011859:Radiography; D013514:Surgical Procedures, Operative
DIAGNOSIS; DIAPHRAGMATIC HERNIA; ESOPHAGEAL REFLUX; ESOPHAGITIS, PEPTIC; ESOPHAGOSCOPY; HYDROGEN-ION CONCENTRATION; RADIOGRAPHY; SURGERY, OPERATIVE