title: Avicenna's description of Willis circle.
authors: Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.
authors: Aliasghar
authors: A
authors: Karimi
authors: Arman
authors: A
authors: Zargaran
authors: Afshin
authors: A
authors: Borhani-Haghighi
mesh_terms: D000715:Anatomy / Q000266:history*; D002941:Circle of Willis; D049691:History, Medieval; D006801:Humans
keywords: Avicenna; Cardiology; History of medicine; Vascular anatomy; Willis cycle