Romero, R. L. T., A. S. Uy Jr, E. P. F. Madrona, R. M. Del Rio, M. D. Alpas, and K. M. M. Tan. “Male Lower Urinary Tract Symptoms in Correlation With Age, Quality of Life Scores, Parameters of Uroflowmetry and Prostate Size, A Single Institution Study”. Philippine Journal of Urology, vol. 29, no. 1, Jan. 2019, pp. 23-29, https://pjuonline.com/index.php/pju/article/view/86.