Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleThe Effect of Muscle Contraction Headache Chronicity on Frontal EMG.AuthorsCallon, Eleanor B.; Brantley, Phillip J.; McAnulty, David R; Waggoner, Craig D.; Rappaport, Neil B.; Goreczny, Anthony J.; Jones, Glenn N.PublicationHeadache: The Journal of Head & Face Pain, 1986, Vol 26, Issue 7, p356ISSN0017-8748Publication typeArticleDOI10.1111/j.1526-4610.1986.hed2607356.x