@article{kewcharoen_kanitsoraphan_2019,  title={Prolonged PR Interval and Outcome in Cardiac Resynchronization Therapy},  volume={113},  ISSN={0066-782X},  url={https://doi.org/10.5935/abc.20190101},  DOI={10.5935/abc.20190101},  number={1},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Kewcharoen, Jakrin and Kanitsoraphan, Chanavuth},  year={2019},  month={Jul},  pages={109–110} }