Low percentage of free prostate-specific antigen (PSA) is a strong predictor of later detection of prostate cancer among Japanese men with serum levels of total PSA of 4.0 ng/mL or less.
PDF] PSA density and prostate cancer detection. | Semantic Scholar
Biochemical recurrence after radical prostatectomy according to nadir prostate specific antigen value | PLOS ONE
Month 127 – PSA Results | Dan's Journey through Prostate Cancer
Comparison of Different Methods for PSA Assay | Download Scientific Diagram