2Jurincic C,Horlbeck R,Grasser A,e t al.Urothelial cancer of the upperurinary tract.Urologe A,1993,32(4):295
3Rossi D,Chiapello A,Hernmowicz M,et al.Primary tumors of the upper u rinary tract.Apropose of 49 cases and a review of the literature.Ann Urol Paris, 1990,24(3):245
