Cuadrado, Marķa Luz Paroxysmal head pain with backward radiation: will epicrania fugax go in the opposite direction? [electronic resource] - The journal of headache and pain Feb 2010 - 75-8 p. digital Publication Type: Case Reports; Journal Article ISSN: 1129-2377 Standard No.: 10.1007/s10194-009-0172-9 doi Subjects--Topical Terms: AdultDisease ProgressionFemaleFunctional Laterality--physiologyHumansMaleMiddle AgedParoxysmal Hemicrania--physiopathology