 @article{müller_prolla_maguilnik_breyer_2004,  title={Predictive factors of oxygen desaturation of patients submitted to endoscopic retrograde cholangiopancreatography under conscious sedation},  volume={41},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-28032004000300005},  DOI={10.1590/S0004-28032004000300005},  number={3},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={Müller, Suzana and Prolla, João Carlos and Maguilnik, Ismael and Breyer, Helenice Pankowski},  year={2004},  month={Jul},  pages={162–166} }