RT Journal Article SR Electronic T1 Urological Practice and Biochemistry JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 271 OP 275 VO 7 IS 4 A1 Lower, W. E. A1 McCullagh, D. Roy YR 1940 UL http://www.ccjm.org/content/7/4/271.abstract AB