@article{wang_wang_piao_li_wang_li_zhu_xu_liu_2019,  title={Early Outcomes of Low Postoperative Bleeding after Off-Pump Coronary Artery Bypass Grafting},  volume={34},  ISSN={0102-7638},  url={https://doi.org/10.21470/1678-9741-2018-0341},  DOI={10.21470/1678-9741-2018-0341},  number={4},  journal={Brazilian Journal of Cardiovascular Surgery},  publisher={Sociedade Brasileira de Cirurgia Cardiovascular},  author={Wang, Weitie and Wang, Yong and Piao, Hulin and Li, Bo and Wang, Tiance and Li, Dan and Zhu, Zhicheng and Xu, Rihao and Liu, Kexiang},  year={2019},  month={Jul},  pages={412–419} }