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. 2016 Aug 23;11(8):e0161268. doi: 10.1371/journal.pone.0161268

Fig 7. Individual HR traces obtained from the Holter and the S-CRP during exercise: the voice guidance “Your heart rate is high. Please slow down” was given to the participant #2 and #4 (a circle mark).

Fig 7

(a) participant #1, (b) participant #2, (c) participant #3, and (d) participant #4.