Sangprachathanarak, P., S. Leewansangtong, S. Ratanarapee, A. Tantiwong, C. Nualyong, T. Taweemankongsap, T. Amornvessukit, and S. Soontrapa. “Risk of Prostate Cancer Detection in Thai Men With Abnormal PSA Testing”. Insight Urology, vol. 27, no. 1, June 2006, pp. 26-29, https://he02.tci-thaijo.org/index.php/TJU/article/view/253745.