@article{moreira_medeiros_boeno_sanches_silva júnior_müller_2014,  title={Oxygen desaturation during the six-minute walk test in COPD
                  patients},  volume={40},  ISSN={1806-3713},  url={https://doi.org/10.1590/S1806-37132014000300004},  DOI={10.1590/S1806-37132014000300004},  number={3},  journal={Jornal Brasileiro de Pneumologia},  publisher={Sociedade Brasileira de Pneumologia e Tisiologia},  author={Moreira, Maria Ângela Fontoura and Medeiros, Gabriel Arriola de and Boeno, Francesco Pinto and Sanches, Paulo Roberto Stefani and Silva Júnior, Danton Pereira da and Müller, André Frotta},  year={2014},  month={May},  pages={222–228} }