Primary and secondary red ear syndromeimplications for treatmentDodick, DavidAuthor informationDepartment of Neurology, Mayo Clinic, 13 400 E. Shea Blvd, Scottsdale, AZ 85259, USA. E-mail: [email protected]Cephalalgia 27(11):p 1287, November 2007.Copyright © 2007 Blackwell Publishing Ltd.