Continuous blood pressure monitoring during exercise using pulse wave transit time measurementLass, Jaanus; Meigas, Kalju; Karai, Deniss; Kattai, Rain; Kaik, Jüri; Rossmann, MartProceedings of the 26th Annual International Conference of the IEEE EMBC : San Francisco, CA, USA, September 1-5, 20042004 / p. 2239-2242 : ill Optical and electrical methods for pulse wave transit time measurement and its correlation with arterial blood pressureLass, Jaanus; Meigas, Kalju; Kattai, Rain; Karai, Deniss; Kaik, Jüri; Rossmann, MartProceedings of the Estonian Academy of Sciences. Engineering2004 / 2, p. 123-136 : ill