“…GERD has a multifactorial pathophysiologic background and its clinical presentation shows a large variety of different symptoms including heartburn, regurgitation, epigastric pain, retrosternal pressure and pain, pharyngeal burning, hoarseness, chronic cough, nausea, vomiting and dysphagia (1, 3,4,5,7,14). As shown in the past, heartburn and acid regurgitation are highly specific for GERD, when these are chief -4 -complaints of the patients (1,2,4,6,7,).…”