Laisupasin, P., Tunskul, S., Langrugsa, R. and Visetvuth, P. (2015) “Serum PSA in the Diagnosis of Prostate Cancer in Thai men : A Preliminary Report”, Journal of Associated Medical Sciences, 38(1), p. 2. available at: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60190 (accessed: 14 September 2026).