1. Cancer in a horsehoe kidney;Blackard;Arch. Surg.,1968
2. Horseshoe kidney: a review of twentynine cases;Dajani;Br. J. Urol.,1966
3. Tumor of horseshoe kidney;Golichaev;Urol. Nefrol.,1969
4. A case of carcinoma in a horseshoe kidney and review of the literature;Wright,1970
5. Tumors of horseshoe kidney in children;Ostropolskaya;Urol. Nefrol.,1971