RT Journal Article SR Electronic T1 Beta Radiation in Ophthalmology JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 104 OP 108 VO 13 IS 2 A1 Ruedemann, A. D. A1 Glasser, Otto YR 1946 UL http://www.ccjm.org/content/13/2/104.abstract AB