 @article{caputti_palma_gaia_buffolo_2011,  title={Off-pump coronary artery bypass surgery in selected patients is superior to the conventional approach for patients with severely depressed left ventricular function},  volume={66},  ISSN={1807-5932},  url={https://doi.org/10.1590/S1807-59322011001200009},  DOI={10.1590/S1807-59322011001200009},  number={12},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Caputti, Guido Marco and Palma, José Honório and Gaia, Diego Felipe and Buffolo, Enio},  year={2011},  pages={2049–2053} }