Chronic Daily Headache
Neurol 42:32-36, Sheftell,F.D., 1992
Posttraumatic Headache-A Myth?
Arch Neurol 57:1778-1780, Warner,J.S., 2000
Chronic Post-Traumatic Headache Often a Myth
Neurol 46:915-916, Warner,J.S.&Fenichel,G.M., 1996
Ergotamine Headache Mistaken for Temporal Arteritis
Ann Neurol 28:396, Winterkorn,J.M.S.,et al, 1990