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Table 2 Exclusion Criteria

From: Prospective Acid Reflux Study of Iran (PARSI): Methodology and study design

Esophageal varices
Advanced cardiovascular disease
History of upper GI surgery
Esophageal or gastric cancer
Using H2 blocker and/or PPIs during the last 2 weeks*
  1. *: These patients were eligible if erosions were seen on endoscopy.