Yung-Kang Chen Hsien-Tsai Wu Chih-Kai Chi Wei-Chuan Tsai Ju-Yi Chen Ming-Chun Wang A New Dual Channel Pulse Wave Velocity Measurement System. 17-21 2004 conf/bibe/2004 BIBE http://doi.ieeecomputersociety.org/10.1109/BIBE.2004.1317320 db/conf/bibe/bibe2004.html#ChenWCTCW04