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. SO - Journal of Clinical Practice and Research 2010;32:97-102. DO -