 @article{guerra-filho_nunes_araújo_2007,  title={Perioperative fluorocholangiography with routine indication versus selective indication in laparoscopic cholecystectomy},  volume={44},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-28032007000300017},  DOI={10.1590/S0004-28032007000300017},  number={3},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={Guerra-Filho, Vicente and Nunes, Tarcizo Afonso and Araújo, Ivana Duval},  year={2007},  month={Jul},  pages={271–275} }