FarkasVBenningerCMatthisPScheffnerD.The composition of the EEG background activity in children suffering from chronic headache. In: LanziGBalottinUCerniboriA eds Headache in children and adolescents. Amsterdam: Excerpta Medica1989; 135–139.
2.
BenningerCMatthisPScheffnerD.EEG development of healthy boys and girls. Results of a longitudinal study. Electroenceph Clin Neurophysiol1984; 57: 1–12.