@article{graudenz_gazotto_2014,  title={Mortality trends due to chronic obstructive pulmonary
                    disease in Brazil},  volume={60},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.60.03.015},  DOI={10.1590/1806-9282.60.03.015},  number={3},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Graudenz, Gustavo Silveira and Gazotto, Gabriel Pereira},  year={2014},  month={May},  pages={255–261} }