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Although the diagnosis of gastroesophageal reflux disease (GERD) is based primarily on symptoms experienced by a patient, relatively little attention has been paid to the development and validation of self-administered questionnaires specific to GERD symptoms. The present article presents the validation of the short, self-administered GERD Symptom Frequency Questionnaire (GSFQ).

Validation of the GSFQ, a Self-Administered Symptom Frequency Questionnaire for Patients with Gastroesophageal Reflux Disease