We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEpidemiology and Pathogenesis of Posttraumatic HeadacheAuthorsPackard, Russell C.PublicationJournal of Head Trauma Rehabilitation, 1999, Vol 14, Issue 1, p9ISSN0885-9701Publication typearticleDOI10.1097/00001199-199902000-00004