Jianjun Yan, Yong Shen, Yiqin Wang, Fufeng Li, Chunming Xia, Rui Guo, Chunfeng Chen, Zhongyan Gu, Xiaojing Shen. Nonlinear analysis of auscultation signals in Traditional Chinese Medicine using Wavelet Packet Transform and Approximate Entropy. I. J. Functional Informatics and Personalised Medicine, 2(3):325-340, 2009. [doi]
Abstract is missing.