@article{rodrigues_marques_lobo_umeda_oliveira_2017,  title={Pre-Frailty Increases the Risk of Adverse Events in Older Patients Undergoing Cardiovascular Surgery},  volume={109},  ISSN={0066-782X},  url={https://doi.org/10.5935/abc.20170131},  DOI={10.5935/abc.20170131},  number={4},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Rodrigues, Miguel K. and Marques, Artur and Lobo, Denise M. L. and Umeda, Iracema I. K. and Oliveira, Mayron F.},  year={2017},  month={Oct},  pages={299–306} }