RT Journal Article SR Electronic T1 Cobalt-60 Teletherapy for Palliation of Carcinoma of the Thoracic Esophagus JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 245 OP 250 VO 23 IS 4 A1 Meaney, Thomas F. A1 Hays, Robert A. YR 1956 UL http://www.ccjm.org/content/23/4/245.abstract AB