TY - JOUR T1 - Patients with sudden onset headache not meeting the criteria of the International Headache Society for new daily persistent headache. How to classify them? JO - Arquivos de Neuro-Psiquiatria A1 - Monzillo, Paulo Hélio A1 - Nemoto, Patrícia Homsi SN - 0004-282X UL - 10.1590/S0004-282X2011000700016 VL - 69 Y1 - 2011 PB - Brasil ER -