title: Headache recurrence.
authors.forename: V
authors.initials: V
authors.lastname: Pfaffenrath
mesh_terms: D006261:Headache / Q000188:drug therapy / Q000503:physiopathology*; D006801:Humans; D012008:Recurrence; D018170:Sumatriptan / Q000627:therapeutic use
chemical_list: D018170:Sumatriptan