title: Thermographic and Doppler flow asymmetry in cluster headache.
mesh_terms: D000328:Adult; D000368:Aged; D003027:Cluster Headache / Q000188:drug therapy / Q000503:physiopathology*; D004878:Ergotamine / Q000627:therapeutic use; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D012039:Regional Blood Flow; D013817:Thermography; D014463:Ultrasonography; D014653:Vascular Headaches / Q000503:physiopathology*
chemical_list: D004878:Ergotamine