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Headache: The Journal of Head and Face Pain > 59 > 8 > 1187 - 1197
Neurological Sciences > 2011 > 32 > 1 > 121-129
Neurological Sciences > 2007 > 28 > 2 > S239-S241
Neurological Sciences > 2006 > 27 > 2 > s96-s99
Neurological Sciences > 2005 > 26 > 2 > s104-s107