Comparison of pneumatic and Holmium laser ureteroscopic lithotripsy for upper third ureteral stones. - Chen, Li-Chen; Chiu, Allen W.; Lin, Wun-Rong; Lin, Wen-Chou; Yang, Stone; Hsu, Jong-Ming; Chow, Yung-Chong; Tsai, Wei-Kong; Chiang, Pai-Kai; Chen, Marcelo (Urological Science, 2017)