Jung, S. H.; OH, J.-H.; JIE, B.-S.; OH, S.-H.; KIM, J.-S.; JEON, E.-J.; CHOI, M.-G. Typical Symptoms Rather Than Extraesophageal Symptoms Affect the Quality of Life in Gastroesophageal Reflux Disease. Turkish Journal of Gastroenterology 2012, 23, 747-752.