Gasa GV, Anastacio A, de Guzman Jr. C, Maglalang Jr. G. Analysis of the Skin to Calyceal Distance (SCD) to the Upper Pole Calyx Among Filipino Patients: A Guide to Upper Pole Access Percutaneous Nephrolithotomy (PCNL). PJU [Internet]. 2020 Feb. 20 [cited 2025 Jun. 27];27(1):48-52. Available from: https://pjuonline.com/index.php/pju/article/view/41