WASET
    Michael J. Hamlin and  Apiwan Manimmanakorn and  Gavin R. Sandercock and  Jenny J. Ross and  Robert H. Creasy and  John Hellemans,  Heart Rate Variability in Responders and Non- Responders to Live-Moderate, Train-Low Altitude Training.   journal   = {International Journal of Sport and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2011, vol. 53(5). 810 - 814
    [viewed 05 May 2024]. Available from: https://publications.waset.org/pdf/9473.