1.
Boulalas I, De Dominicis M, Defidio L. Semirigid ureteroscopy prior retrograde intrarenal surgery (RIRS) helps to select the right ureteral access sheath. AIUA [Internet]. 31Mar.2018 [cited 19Jun.2019];90(1):20-4. Available from: https://www.pagepressjournals.org/index.php/aiua/article/view/aiua.2018.1.20