@article{pires_oliveira_pinto_silva_2005,  title={Raquianestesia: quebra de agulha no espaço intervertebral},  volume={123},  ISSN={1516-3180},  url={https://doi.org/10.1590/S1516-31802005000700045},  DOI={10.1590/S1516-31802005000700045},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Pires, Luis D. A. and Oliveira, Roland F. and Pinto, Daniela S. and Silva, André C.},  year={2005},  pages={50–50} }