Comparison of Endoscopic Findings with Gastroesophageal Reflux Disease Questionnaires (GerdQ) and Reflux Disease Questionnaire (RDQ) for Gastroesophageal Reflux Disease in Medan

Gontar Alamsyah Siregar* , Sahat Halim**, Ricky Rivalino Sitepu** * *Division of Gastroentero-hepatology, Department of Internal Medicine, Faculty of Medicine, University of Sumatera Utara/ Adam Malik General Hospital, Medan **Department of Internal Medicine, Faculty of Medicine, University of Sumatera Utara/ Adam Malik General Hospital, Medan   ABSTRACT Background: There are many questionnaires