Spinal Muscular Atrophy with Progressive Myoclonic Epilepsy: Report of New Cases and Review of the Literature - Haliloglu, G; Chattopadhyay, A; Skorodis, L; Manzur, A; Mercuri, E; Talim, B; Akçören, Z; Renda, Y; Muntoni, F; Topaloğlu, H (Neuropediatrics, 2002)