Task: Answer Verification
Input (English): Question: Does complete elimination of reflux symptoms guarantee normalization of intraesophageal and intragastric pH in patients with gastroesophageal reflux disease ( GERD )?
Answer: Fifty percent of patients with GERD without BE continue to exhibit pathologic GERD and low intragastric pH despite PPI therapy that achieves complete reflux symptom control.
Output (English): no