title: [Immunologic approach in cluster headache].
mesh_terms: D000917:Antibody Formation; D003027:Cluster Headache / Q000097:blood / Q000150:complications / Q000276:immunology*; D004381:Duodenal Ulcer / Q000150:complications; D006680:HLA Antigens / Q000032:analysis; D006632:Histamine / Q000097:blood; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D014653:Vascular Headaches / Q000276:immunology*; D000515:alpha 1-Antitrypsin / Q000032:analysis
chemical_list: D006680:HLA Antigens; D007136:Immunoglobulins; D000515:alpha 1-Antitrypsin; D006632:Histamine
vernacular_title: Approccio immunologico alla "cefalea a grappolo".