Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCLUSTER HEADACHE AND BRADYCARDIA.AuthorsBruyn, G.W.; Bootsma, B.K.; Klawans, H.L.PublicationHeadache: The Journal of Head & Face Pain, 1976, Vol 16, Issue 1, p11ISSN0017-8748Publication typeArticleDOI10.1111/j.1526-4610.1976.hed1601011.x