W A, K B, C N, L S, R P. Cut Off Point of Percentage of Free PSA that Optimize for Prostate Cancer Detection. Insight Urol [internet]. 2006 Dec. 1 [cited 2026 Sep. 20];27(2):73-80. available from: https://he02.tci-thaijo.org/index.php/TJU/article/view/253540