Toru Yazawa Katsunori Tanaka Tomoo Katsuyama Alternans Lowers the Scaling Exponent of Heartbeat Fluctuation Dynamics: A Detrended Fluctuation Analysis in Animal Models and Humans. 221-225 2009 CSIE (1) http://doi.ieeecomputersociety.org/10.1109/CSIE.2009.784 conf/csie/2009 db/conf/csie/csie2009-1.html#YazawaTK09