C. Chi

Association of risk factors with increased pulse wave velocity detected by a novel method using dual-channel photoplethysmography.

Hsien-Tsai Wu, Ju-Yi Chen, Li-Jen Lin, 2005, American journal of hypertension.

A new dual channel pulse wave velocity measurement system

Hsien-Tsai Wu, Ju-Yi Chen, Wei-Chuan Tsai, 2004, Proceedings. Fourth IEEE Symposium on Bioinformatics and Bioengineering.