Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitlePlasma and Platelet Methionine-Enkephalin Levels in Chronic Cluster Patients During an Acute Headache Episode.AuthorsMosnaim, Aron D.; Diamond, Seymour; Freitag, Frederick; Chevesich, Jorge; Wolf, Marion E.; Solomon, GlenPublicationHeadache: The Journal of Head & Face Pain, 1987, Vol 27, Issue 6, p325ISSN0017-8748Publication typeArticleDOI10.1111/j.1526-4610.1987.hed2706325.x