1. Gu, Y.; Zhang, Y.; Zhang, Y. A novel biometric approach in human verification by photoplethysmographic signals. 4th International IEEE EMBS Special Topic Conference on Information Technology Applications in Biomedicine, Birmingham, UK, April 2003; IEEE, 2003; pp 13–14.
2. Ultrafast‐Response/Recovery Flexible Piezoresistive Sensors with DNA‐Like Double Helix Yarns for Epidermal Pulse Monitoring
3. Wong, A.; Pun, K. P.; Zhang, Y. T.; Choy, C. S. An ECG measurement IC using driven-right-leg circuit. 2006 IEEE International Symposium on Circuits and Systems (ISCAS), Kos, Greece, May 2006; IEEE, 2006; pp 345–348.
4. Pardeshi, V.; Sagar, S.; Murmurwar, S.; Hage, P. Health Monitoring Systems using IoT and Raspberry Pi - A Review. 2017 International Conference on Innovative Mechanisms for Industry Applications, Bengaluru, India, Feb 2017; IEEE, 2017; pp 134–137.
5. Respiration rate monitoring methods: A review