@article{uliana_tambara_baretta_2015,  title={Use of remifentanil to reduce propofol injection pain and the required propofol dose in upper digestive tract endoscopy diagnostic tests},  volume={65},  ISSN={0034-7094},  url={https://doi.org/10.1016/j.bjane.2014.12.001},  DOI={10.1016/j.bjane.2014.12.001},  number={6},  journal={Revista Brasileira de Anestesiologia},  publisher={Sociedade Brasileira de Anestesiologia},  author={Uliana, Gustavo Nadal and Tambara, Elizabeth Milla and Baretta, Giorgio Alfredo Pedroso},  year={2015},  month={Nov},  pages={437–444} }