The Implications of Gastroesophageal Reflux Disease (GERD) on Emergency Department Visits in Patients with Chronic Obstructive Pulmonary Disease (COPD): 509. (October 2016) - Hajifathalian, Kaveh; Bansal, Vishant; Aggarwal, Pankaj; Mittal, Akaash; Gabbard, Scott; Aggarwal, Nitin