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. 2014 Mar 2;2014:370759. doi: 10.1155/2014/370759

Figure 2.

Figure 2

Histogram of final 20-meter PACER assessment. Frequencies are groups by 1 (1–10 laps), 2 (11–20 laps), 3 (21–30 laps), 4 (31–40 laps), and 5 (greater than 40 laps).