@article{araújo_brito_chaves_veiga_ferreira_2013,  title={Surgical research in the north and northeast of Brazil},  volume={28},  ISSN={0102-8650},  url={https://doi.org/10.1590/S0102-86502013000600011},  DOI={10.1590/S0102-86502013000600011},  number={6},  journal={Acta Cirúrgica Brasileira},  publisher={Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia},  author={Araújo, Rafael Silva de and Brito, Felipe Nunes and Chaves, Yan and Veiga, Daniela Francescato and Ferreira, Lydia Masako},  year={2013},  month={Jun},  pages={467–473} }