@article{monzillo_nemoto_2011,  title={Patients with sudden onset headache not meeting the criteria of the International Headache Society for new daily persistent headache. How to classify them?},  volume={69},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2011000700016},  DOI={10.1590/S0004-282X2011000700016},  number={6},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Monzillo, Paulo Hélio and Nemoto, Patrícia Homsi},  year={2011},  month={Dec},  pages={928–931} }