title: Histamine and serotonin in cluster headache.
mesh_terms: D000328:Adult; D003027:Cluster Headache / Q000378:metabolism*; D006632:Histamine / Q000097:blood*; D006801:Humans; D008875:Middle Aged; D008881:Migraine Disorders / Q000378:metabolism; D012701:Serotonin / Q000097:blood*; D014653:Vascular Headaches / Q000378:metabolism*
chemical_list: D012701:Serotonin; D006632:Histamine