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. 2019 Nov 20;14:2543–2551. doi: 10.2147/COPD.S224735

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© 2019 Wu et al.

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The simple linear regression between peak oxygen pulse (O₂P) and anaerobic threshold (AT). The slant line is calculated using least square regression analysis. (p < 0.001; R² = 0.566; Pearson’s r = 0.756).