WASET
    Khaldon Lweesy and  Luay Fraiwan and  Christoph Maier and  Hartmut Dickhaus,  Extraction of Fetal Heart Rate and Fetal Heart Rate Variability from Mother's ECG Signal.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2009, vol. 30(6). 100 - 104
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/14006.