Hypothalamic Activation in Cluster Headache Attacks
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Neuroimaging in Presumed Primary Headache Disorders
Semin Neurol 17:373-382, Frishberg,B.M., 1997
Headaches in Pregnancy
Semin Neurol 8:187-192, Reik,L., 1988
Diagnosing the Severe Headache
Neurol 44:S6-S12, Dalessio,D.J., 1994