Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAnatomical Variations in the Circle of Willis and Migraine Susceptibility: Is There an Association?AuthorsSchoonman, Guus G.; Oosterhout, WPJ (Ron) van; Ferrari, Michel D.AbstractA letter to the editor is presented in response to the paper "Incomplete Posterior Circle of Willis: A Risk Factor for Migraine," by J. M. Bugnicourt and colleagues which appeared in a previous issue of "Headache."SubjectsLETTERS to the editor; MIGRAINE; DISEASE risk factorsPublicationHeadache: The Journal of Head & Face Pain, 2010, Vol 50, Issue 1, p151ISSN0017-8748Publication typeLetterDOI10.1111/j.1526-4610.2009.01559.x