Nephroblastoma in central region of tunisian clinical and histological study and prognostic factors - Landolsi, A.; Ben Fatma, L.; Kallel, K.; Gharbi, O.; Zakhama, A.; Golli, M.; Mosbah, F.; Kraiem, C.; Nouri, A.; Ganouni, A.; Ben Ahmed, S. (Annales d'Urologie, 2003)