RT Journal Article SR Electronic T1 Are there alternatives to surgery for Zenker diverticulum? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 645 OP 647 DO 10.3949/ccjm.83a.15006 VO 83 IS 9 A1 Nitin Aggarwal A1 Prashanthi N. Thota YR 2016 UL http://www.ccjm.org/content/83/9/645.abstract AB