Authors: Gretchen E Tietjen; Jan L Brandes; B Lee Peterlin; Arnolda Eloff; Rima M Dafer; Michael R Stein; Ellen Drexler; Vincent T Martin; Susan Hutchinson; Sheena K Aurora; Ana Recober; Nabeel A Herial; Christine Utley; Leah White; Sadik A Khuder Journal: Headache Date: 2009-10-21 Impact factor: 5.887