Primary Systemic Amyloidosis With Ischemic Stroke as a Presenting ComplicationNeurol 69:1136-1141, Yubkov,A.Y.,et al, 2007
Left Atrial Myxoma Presenting as Migraine with Aura: A VIP-induced SyndromeHeadache 45:251-254, Kern, R. & Asa, S., 2005