@article{sillero_sillero filho_freire_sillero_2007,  title={Early surgery for ruptured cerebral aneurysms: technical note},  volume={65},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2007000700032},  DOI={10.1590/S0004-282X2007000700032},  number={4b},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Sillero, Rafael de Oliveira and Sillero Filho, Valter José and Freire, Sylvio de Barros and Sillero, Valter José},  year={2007},  month={Dec},  pages={1249–1251} }