Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe Chronic Paroxysmal Hemicrania Concept Expanded.AuthorsSpierings, Egilius L. H.PublicationHeadache: The Journal of Head & Face Pain, 1988, Vol 28, Issue 9, p597ISSN0017-8748Publication typeArticleDOI10.1111/j.1526-4610.1988.hed2809597.x