Grosso S, Orrico A, Galli L, Di Bartolo R, Sorrentino V, Balestri P
Department of Pediatrics, Pediatric Neurology Section, University of Siena, S. Maria alle Scotte Hospital, Siena, Italy.
Neurology. 2007 Aug 7;69(6):609-11. doi: 10.1212/01.wnl.0000266666.10404.53.