Foreid Henda, Coelho Miguel, Ferreira Joaquim, Ferro José M
University of Lisbon, Hospital de Santa Maria, Department of Neurosciences, Serviço de Neurologia, Av. Prof Egas Moniz, Lisbon, 1649-035, Portugal.
BMJ Case Rep. 2009;2009. doi: 10.1136/bcr.05.2009.1841. Epub 2009 Aug 28.