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John McMahon, Paul Jones and Paul Comfort declare that they have no conflicts of interest relevant to the content of this letter.
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McMahon, J.J., Jones, P.A. & Comfort, P. Comment on: “Anthropometric and Physical Qualities of Elite Male Youth Rugby League Players”. Sports Med 47, 2667–2668 (2017). https://doi.org/10.1007/s40279-017-0771-6
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DOI: https://doi.org/10.1007/s40279-017-0771-6