@article{baowei1997cheng,
  title={Cheng jingzhi, Bian Zhengzhong (Bionedical Engineering Institute, Xi'an Jiaotong University 710049); A Method for Detecting QRS Waves [J]},
  author={Baowei, Fei and Tiange, Zhuang},
  journal={BEIJING BIOMEDICAL ENGINEERING},
  volume={1},
  year={1997}
}