TY - JOUR TI - Comparison of The Using Pneumatic and Laser Lithotripter in Ureterorenoscopy According to the Modified Clavien Classification AU - Çakır, S.S. AU - Polat, E.C. JO - European Archives of Medical Research PY - 2017 VL - 33 SP - 221 EP - 225 DO - 10.5222/otd.2017.33600 ER -