@article{kalil_albrecht_lima_vasconcellos_cunha_hatem_moreno_abrahão_sant'anna_prates_et al._1999,  title={Results of the surgical treatment of chronic atrial fibrillation},  volume={73},  ISSN={0066-782X},  url={https://doi.org/10.1590/S0066-782X1999000800002},  DOI={10.1590/S0066-782X1999000800002},  number={2},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Kalil, Renato A. K. and Albrecht, Álvaro and Lima, Gustavo G. and Vasconcellos, Daniela and Cunha, Bartira and Hatem, Domingos and Moreno, Paulo and Abrahão, Rogério and Sant'Anna, João R. M. and Prates, Paulo R. and Nesralla, Ivo A.},  year={1999},  month={Aug},  pages={139–148} }