Niels Uth, Henrik Sørensen, Kristian Overgaard, Preben K. Pedersen: Estimation of VO2max from the ratio between HRmax and HRrest – the Heart Rate Ratio Method. In: European journal of applied physiology. Band 91, Nummer 1, Januar 2004, ISSN1439-6319, S. 111–115, doi:10.1007/s00421-003-0988-y, PMID 14624296.
Niels Uth, Henrik Sørensen, Kristian Overgaard, Preben K. Pedersen: Estimation of VO2max from the ratio between HRmax and HRrest – the Heart Rate Ratio Method. In: European journal of applied physiology. Band 91, Nummer 1, Januar 2004, ISSN1439-6319, S. 111–115, doi:10.1007/s00421-003-0988-y, PMID 14624296.
Niels Uth, Henrik Sørensen, Kristian Overgaard, Preben K. Pedersen: Estimation of VO2max from the ratio between HRmax and HRrest – the Heart Rate Ratio Method. In: European journal of applied physiology. Band 91, Nummer 1, Januar 2004, ISSN1439-6319, S. 111–115, doi:10.1007/s00421-003-0988-y, PMID 14624296.