Preliminary experience with a new three-dimensional computer-based model for the study and the analysis of skull base approaches - de Notaris, M; Prats-Galino, A; Cavallo, L M; Esposito, F; Iaconetta, G; Gonzalez, J B; Montagnani, S; Ferrer, E; Cappabianca, P (Childs Nerv Syst, 2010)