Earliest Clinical Manifestations and Natural History of Neurofibromatosis Type 2 (NF2) in Childhood: A Study of 24 Patients - Ruggieri, M; Iannetti, P; Polizzi, A; La Mantia, I; Spalice, A; Giliberto, O; Platania, N; Gabriele, A L; Albanese, V; Pavone, L (Neuropediatrics, 2005)