title: [Persistent headaches and their therapy with tonopan].
mesh_terms: D002986:Clinical Trials as Topic; D005260:Female; D006261:Headache / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D008297:Male; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D014665:Vasodilator Agents
vernacular_title: Les céphalées et leur traitement par le tonopan.