Comparison of efficacy of ureteroscopic lithotripsy between pneumatic lithoclast and Holmium laser in management of upper ureteral stone - Li-Chen Chen; Marcelo Chen; Wun-Rong Lin; Wen-Chou Lin; Huang-Kuang Chang; Stone Yang; Jong-Ming Hsu; Wei-Kung Tsai; Pai-Kai Chiang; Yung-Chiong Chow (Urological Science, 2015)