Ali Zifan and  Sohrab Saberi and  Mohammad Hassan Moradi and  Farzad Towhidkhah,  Automated ECG Segmentation Using Piecewise Derivative Dynamic Time Warping .   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 28 - 32
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/7002.