title: Current concepts in the diagnosis and treatment of chronic recurring headache.
mesh_terms: D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation; D002908:Chronic Disease; D003937:Diagnosis, Differential; D004569:Electroencephalography; D005260:Female; D006261:Headache / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000175:diagnosis / Q000209:etiology / Q000235:genetics / Q000628:therapy; D009461:Neurologic Manifestations; D011613:Psychotherapy; D012008:Recurrence; D012701:Serotonin / Q000097:blood; D012737:Sex Factors; D014653:Vascular Headaches; D014666:Vasomotor System / Q000503:physiopathology
chemical_list: D012701:Serotonin