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. 2022 Jul 14;4:919228. doi: 10.3389/fspor.2022.919228

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Copyright © 2022 Kotikangas, Walker, Toivonen, Peltonen and Häkkinen.

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) and the copyright owner(s) 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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Serum testosterone concentrations of Pre, Mid, Post, Post24, and Post48 during three resistance exercise loadings in power (PA), strength (SA), and non-athletes (NA). *p < 0.05, **p < 0.01, ***p < 0.001 refer to within-group significances compared to Pre. ^∧p < 0.05, ^∧∧p < 0.01 refer to within-group significances compared to the previous time point. ^#p < 0.05, ^##p < 0.01 refer to within-group significances compared to Post during recovery.