RT Journal Article SR Electronic T1 Barrett esophagus: Definition, treatment JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 75 OP 75 DO 10.3949/ccjm.87c.02001 VO 87 IS 2 A1 Shih-Wei Lai YR 2020 UL http://www.ccjm.org/content/87/2/75.1.abstract AB