%0 Journal Article %T Factors Affecting Prognosis in Upper Urinary System Urothelial Tumors: 15 Years’ Clinical Experience %A Demirtaş, A. %A Ekmekçioğlu, O. %A Tatlışen, A. %A Sofikerim, M. %A Şahin, N. %J Journal of Clinical Practice and Research %D 2010 %V 32 %P 97-102 %R