Aarsen Femke K, van den Akker Erica L T, Drop Stenvert L S, Catsman-Berrevoets Coriene E
Department of Pediatric Neurology, Erasmus MC/Sophia Children's Hospital, Rotterdam, The Netherlands.
Neurology. 2006 Oct 10;67(7):1307-8. doi: 10.1212/01.wnl.0000238099.36998.6b.