S. Botman and D. Borchevkin and V. Petrov and E. Bogdanov and M. Patrushev and N. Shusharina, Photoplethysmography-Based Device Designing for Cardiovascular System Diagnostics. journal = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2015, vol. 105(9). 689 - 693 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10002239.