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. 2016 Nov 17;7:510. doi: 10.3389/fphys.2016.00510

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Copyright © 2016 Čović, Jelešković, Alić, Rađo, Kafedžić, Sporiš, McMaster and Milanović.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Differences between national selection and national league level players for the 30–15_IFT test–retest end speed (V_IFT), maximal heart rate (HRpeak) and maximal oxygen consumption (VO_2max) expressed as standardized units (Z-values).