Primary Degeneration of the Granular Layer of the Cerebellum. A Study of 14 Patients and Review of the Literature - Pascual-Castroviejo, I; Gutierrez, M; Morales, Carmen; Gonzalez-Mediero, Imelda; Martínez-Bermejo, A; Pascual-Pascual, S -I (Neuropediatrics, 1994)