Megalencephaly and Perisylvian Polymicrogyria with Postaxial Polydactyly and Hydrocephalus: A Rare Brain Malformation Syndrome Associated with Mental Retardation and Seizures - Mirzaa, G; Dodge, N N; Glass, I; Day, C; Gripp, K; Nicholson, L; Straub, V; Voit, T; Dobyns, W B (Neuropediatrics, 2004)