@article{jesus_okuno_campanharo_lopes_batista_2022,  title={Association of the Charlson index with risk classification, clinical aspects, and emergency outcomes },  volume={56},  ISSN={0080-6234},  url={https://doi.org/10.1590/1980-220X-REEUSP-2020-0162},  DOI={10.1590/1980-220X-REEUSP-2020-0162},  journal={Revista da Escola de Enfermagem da USP},  publisher={Universidade de São Paulo, Escola de Enfermagem},  author={Jesus, Ana Paula Santos de and Okuno, Meiry Fernanda Pinto and Campanharo, Cassia Regina Vancini and Lopes, Maria Carolina Barbosa Teixeira and Batista, Ruth Ester Assayag},  year={2022},  pages={e20200162} }