RT Journal Article SR Electronic T1 The Role of Roentgen Therapy in the Treatment of Bronchiogenic Carcinoma JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 119 OP 122 VO 7 IS 2 A1 Porlmann, U. V. YR 1940 UL http://www.ccjm.org/content/7/2/119.abstract AB