TY - JOUR TI - Factors Affecting Prognosis in Upper Urinary System Urothelial Tumors: 15 Years’ Clinical Experience AU - Demirtaş, A. AU - Ekmekçioğlu, O. AU - Tatlışen, A. AU - Sofikerim, M. AU - Şahin, N. JO - Journal of Clinical Practice and Research PY - 2010 VL - 32 SP - 97 EP - 102 DO - ER -