RT Journal Article SR Electronic T1 Diverticulum of the Esophagus JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 187 OP 192 VO 9 IS 4 A1 Dinsmore, R. S. YR 1942 UL http://www.ccjm.org/content/9/4/187.abstract AB