Gion, M Percent free prostate-specific antigen in assessing the probability of prostate cancer under optimal analytical conditions. [electronic resource] - Clinical chemistry Dec 1998 - 2462-70 p. digital Publication Type: Clinical Trial; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't ISSN: 0009-9147 Subjects--Topical Terms: AgedAged, 80 and overBlood Proteins--metabolismData Interpretation, StatisticalDiagnosis, DifferentialHumansMaleMiddle AgedProspective StudiesProstate-Specific Antigen--bloodProstatic Hyperplasia--bloodProstatic Neoplasms--bloodProtein BindingReagent Kits, Diagnostic