Valdez, Andrew Bonae Estanislao F., and Jaime C. Balingit. “Colossaprostatolithiasis: A Case Report on a 48-Year Old Male With A Giant Prostatic Calculus”. Philippine Journal of Urology 29, no. 1 (January 1, 2019): 60–63. Accessed August 26, 2025. https://pjuonline.com/index.php/pju/article/view/91.