Xinyu Hu, Xianxiang Chen, Ren Ren, Bing Zhou, Yangmin Qian, Huaiyong Li & Shanhong Xia. (2019). Portable Health Monitoring Device for Electrocardiogram and Impedance Cardiography Based on Bluetooth Low Energy. Journal of Fiber Bioengineering and Informatics. 7 (3). 397-408. doi:10.3993/jfbi09201409