Chronic Daily Headache
Neurol 42:32-36, Sheftell,F.D., 1992
Migraine
Lancet 363:381-391, Silberstein,S.D., 2004
Diagnosing the Severe Headache
Neurol 44:S6-S12, Dalessio,D.J., 1994
Migraine-Related Stroke in the Context of the International Headache Society Classification of Head Pain
Arch Neurol 47:458-462, Welch,K.M.A.&Levine,S.R., 1990
A 47-Year-Old Woman with Tension-Type Headaches
JAMA 286:960-966, Welch,K.M.A., 2001