Slim Yacoub and  Kosai Raoof,  Noise Removal from Surface Respiratory EMG Signal.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2008, vol. 14(2). 266 - 273
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/7887.