@article{privado_issy_lanchote_garcia_sakata_2010,  title={Epidural versus intravenous fentanyl for postoperative analgesia following orthopedic surgery: randomized controlled trial},  volume={128},  ISSN={1516-3180},  url={https://doi.org/10.1590/S1516-31802010000100002},  DOI={10.1590/S1516-31802010000100002},  number={1},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Privado, Marcelo Soares and Issy, Adriana Machado and Lanchote, Vera Lucia and Garcia, João Batista Santos and Sakata, Rioko Kimiko},  year={2010},  month={Jan},  pages={5–9} }