Purnama, D. K., and W. H. Santoyo. “Posterior Lubrication in a Patient Urinary Retention e.c. Suspect Urethral Stones”. Jurnal Llmu Bedah Indonesia, vol. 50, no. 1, Mar. 2023, https://jibiikabi.org/index.php/Jibi-ikabi/article/view/153.