title: Double blind study of clonidine and placebo for the prophylactic treatment of migraine.
mesh_terms: D002986:Clinical Trials as Topic; D003000:Clonidine / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000517:prevention & control*; D010919:Placebos
chemical_list: D010919:Placebos; D003000:Clonidine