@article{mateos_2018,  title={Carotid Sinus Massage in Syncope Evaluation: A Nonspecific and Dubious Diagnostic Method},  volume={111},  ISSN={0066-782X},  url={https://doi.org/10.5935/abc.20180134},  DOI={10.5935/abc.20180134},  number={1},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Mateos, José Carlos Pachón},  year={2018},  month={Jul},  pages={92–93} }