Authors: Billis, A Carvalho, RB Mattos, AC Negretti, F Nogueira, CR Oliveira, MCBM Valenca, JT Adam, RL Cotta, ACS Nunes, MS Dinamarco, PVV

Citation: A. Billis et al., Tumor grade heterogeneity in urothelial bladder carcinoma - Proposal of a system using combined numbers, SC J UROL N, 35(4), 2001, pp. 275-279