Spinal Dural Arteriovenous FistulasAJNR 30:639-648, Krings,T. &Geibprasert,S., 2009
Singing Paraplegia: A Distinctive Manifestation of a Spinal Dural Arteriovenous FistulaNeurol 58:1279-1281, Khurana,V.G.,et al, 2002