The Diagnostic Evaluation of Secondary Headache Disorders

Authors


  • Conflict of Interest: Dr. Martin is a consultant for Allergan, Merck, and Nautilus; a speaker for Allergan; and has received grants from GSK and Endo.

V.T. Martin, Division of General Internal Medicine, Department of Internal Medicine, 231 Albert Sabin Way RM 6603, Cincinnati, OH 45267-0535, USA.

Ancillary