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Resources:
Silberstein, Stephen D.; Lipton, Richard B.; Goadsby, Peter J.; Smith, Robert T. "Headache in Primary Care." Isis Medical Media. 1999.
Marks, David R., MD. "The Headache Prevention Cookbook." Boston. Houghton Mifflin Company. 2000.
Young, William B.; Silberstein, Stephen D. "Migraine and Other Headaches." AAN Press. 2004.
Robert, Teri. "Living Well with Migraine Disease and Headaches." HarperCollins. 2005.
Medical review by John Claude Krusz, PhD, MD

