Comment on

• Triple and quadruple spontaneous cervical artery dissection: presenting characteristics and long-term outcome.

  Arnold M, De Marchis GM, Stapf C, Baumgartner RW, Nedeltchev K, Buffon F, Galimanis A, Sarikaya H, Mattle HP, Bousser MG. Arnold M, et al. J Neurol Neurosurg Psychiatry. 2009 Feb;80(2):171-4. doi: 10.1136/jnnp.2008.155226. Epub 2008 Oct 31. J Neurol Neurosurg Psychiatry. 2009. PMID: 18977815
• Vascular risk factors and morphometric data in cervical artery dissection: a case-control study.

  Arnold M, Pannier B, Chabriat H, Nedeltchev K, Stapf C, Buffon F, Crassard I, Thomas F, Guize L, Baumgartner RW, Bousser MG. Arnold M, et al. J Neurol Neurosurg Psychiatry. 2009 Feb;80(2):232-4. doi: 10.1136/jnnp.2008.151324. J Neurol Neurosurg Psychiatry. 2009. PMID: 19151021