Kalayanon, Piyathida, Yanathorn Keawkaew, and Natthaphat Haekawee. “The The Accuracy of Serum Prostate-Specific Antigen (PSA) Level of 4-10 ng/ml with Age and Digital Rectal Examination in Prostate Cancer Prediction”. Health Science Clinical Research 37, no. 2 (December 30, 2022): 25–36. accessed August 31, 2026. https://he02.tci-thaijo.org/index.php/hscr/article/view/259633.