6Bishop HC, Teff M, Evans AE, et al. Survival in bilateral Wilm's tumor:Review of 30 national Wilm's tumor study cases. J Pediatr Surg, 1997, 12 : 673.
7Horwitz JR, Ritchey ML, Moksness J, et al. Renal salvage procedures in patients with synchronous bilateral Wilm' s tumors : A report from the national Wilm' s tumor study group. J Pediatr Surg, 1996, 31 : 1020- 1025.
8Pritchard J, Imeson J, Barnes J, et al. Results of the United Kingdom Children's Cancer Study Group(UKCCSG) first Wilm' s tumor study(UKW-1) .J Clin Oncol,1995, 13 : 124- 129.
9Montgomery BT, Blute ML, Kelalis PP, et al. Extended follow-up of bilateral Wilm' s tumor: Results of the national Wilm's tumor study. J Urology, 1991, 146: 514-518.
