Giacovazzo, M A new immunological aspect of cluster headache: the increase of monocyte and NK cell populations. [electronic resource] - Headache Mar 1986 - 134-6 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0017-8748 Standard No.: 10.1111/j.1526-4610.1986.hed2603134.x doi Subjects--Topical Terms: Cluster Headache--immunologyHumansKiller Cells, Natural--immunologyLeukocyte CountMaleMonocytes--immunologyTestosterone--bloodVascular Headaches--immunology