title: Indomethacin responsive headache syndromes.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D003027:Cluster Headache / Q000188:drug therapy*; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007213:Indomethacin / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010919:Placebos; D014653:Vascular Headaches / Q000188:drug therapy*
chemical_list: D010919:Placebos; D007213:Indomethacin