S0368 Crohn's Disease Patients on Biologic or Thiopurine Treatment Are Less Likely to Develop Barrett's Esophagus. (October 2020) - Alkhayyat, Motasem; Abureesh, Mohammad; Saleh, Mohannad Abou; Qapaja, Thabet; Almomani, Ashraf; El Ouali, Sara; Mansoor, Emad; Lindsey, Adrian; Kumar, Mythri Anil; Regueiro, Miguel