Rico María, Ramón César, Santamarta Elena, Pascual Julio, Morís Germán
Department of Neurology, Hospital Universitario Central Asturias, Oviedo, Asturias, Spain.
Department of Radiology, Hospital Universitario Central Asturias, Oviedo, Asturias, Spain.
JAMA Neurol. 2014 Feb;71(2):240-1. doi: 10.1001/jamaneurol.2013.2192.