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2. Migraine in school children. A study of the incidence and short-term prognosis, and the clinical, psychological and electroencephalographic comparison between children with migraine and matched controls;Bille;Acta Paediatr,1962
3. Is the cerebral cortex hyperexcitable or hyperresponsive in migraine?;Coppola;Cephalalgia,2007
4. The brain is hyperexcitable in migraine;Aurora;Cephalalgia,2007
5. Epidemiology of tension-type headache;Schwartz;JAMA,1998