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Gastroesophageal Reflux
Heartburn
Barrett's Esophagus
Chest Pain
Peptic Esophagitis
Esophagitis
Proton Pump Inhibitors
Proton Pumps
Anti-Ulcer Agents
Omeprazole
Gastric Acid
Histamine H2 Antagonists
2-Pyridinylmethylsulfinylbenzimidazoles
Esophageal pH Monitoring
Esophagoscopy
Esophagus
Lower Esophageal Sphincter
Hydrogen-Ion Concentration
Severity of Illness Index
Questionnaires
Co-Publications
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14
13
12
11
10
8
7
6
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