RT Journal Article SR Electronic T1 Some Simple Inexpensive Methods for Detection of Radioactivity JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 23 OP 28 VO 18 IS 1 A1 Glasser, Otto YR 1951 UL http://www.ccjm.org/content/18/1/23.abstract AB