European Headache Federation. (2000). The journal of headache and pain. Springer-Verlag Italia.
Cita Chicago Style (17a ed.)European Headache Federation. The Journal of Headache and Pain. [Milano]: Springer-Verlag Italia, 2000.
Cita MLA (9a ed.)European Headache Federation. The Journal of Headache and Pain. Springer-Verlag Italia, 2000.
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