Fontes-Villalba Ariadna, Palma Jose-Alberto, Fernández-Seara Maria A, Pastor Maria A, de Castro Purificacion
Department of Neurology, University Clinic of Navarra, University of Navarra, Pamplona, Spain.
Neurology. 2013 May 21;80(21):e223-7. doi: 10.1212/WNL.0b013e318293e136.