RT Journal Article SR Electronic T1 Four no more: The ‘PSA cutoff era’ is over JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 30 OP 32 VO 75 IS 1 A1 Jones, J. Stephen A1 Klein, Eric YR 2008 UL http://www.ccjm.org/content/75/1/30.abstract AB