We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA headache which leaves you feeling bruised.AuthorsHirst CL; Pearson OR; Hinds NPPublicationHeadache, 2012, Vol 52, Issue 4, p661ISSN1526-4610Publication typearticleDOI10.1111/j.1526-4610.2011.02043.x