Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA Comparative Study of Selected Patient Variables as Risk Factors in Hospitalization for Chronic Headache.AuthorsVillarreal, Sylvia SullivanPublicationHeadache: The Journal of Head & Face Pain, 1995, Vol 35, Issue 6, p349ISSN0017-8748Publication typeArticleDOI10.1111/j.1526-4610.1995.hed3506349.x