RT Journal Article SR Electronic T1 Roentgen Aspects of Diseases of the Colon JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 83 OP 100 VO 3 IS 2 A1 Collins, E. N. YR 1936 UL http://www.ccjm.org/content/3/2/83.abstract AB