Outcome in skull base surgery, for patients with anterior craniofacial approach: a 17-year experience - Santos, Luiz R. Medina; Cernea, Claudio R.; Brandão, L.G.; Carlucci Junior, Dorival; Machado, M.T.; Hojaij, Flavio C.; Ferraz, Alberto Rossetti (International Conference on Head and Neck Cancer, 2000)