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. 2012 Feb 14;7(2):e31380. doi: 10.1371/journal.pone.0031380

Figure 2. Maximal running speed during a 7×30 m sprint test.

Figure 2

Maximal running speed during a 7×30 m sprint test with the ingestion of a caffeinated energy drink (3 mg of caffeine/kg of body weight) or the ingestion of a decaffeinated control drink. Data are mean ± SD for 19 soccer players. * Different from control (P<0.05).

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