@article{cerit_2017,  title={Association between SYNTAX Score and Coronary Collateral Circulation},  volume={109},  ISSN={0066-782X},  url={https://doi.org/10.5935/abc.20170156},  DOI={10.5935/abc.20170156},  number={5},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Cerit, Levent},  year={2017},  month={Nov},  pages={497–498} }