“…The reported main symptoms are pain (27.3-44.7%), dysphagia (12.5%), respiratory symptoms (17%), and vomiting (12.5%). EE and Barrett´s esophagus have been observed in a wide range of percentage (2.4-10.6% and 0-17.6%, respectively) 5 , 7 , 13 , 20 , 23 , 27 , 28 , 29 , 31 , 33 , 34 , 39 , 40 , 41 , 44 .…”