. 2022 Mar 9;24(3):e27202. doi: 10.2196/27202
©Zhao Ni, Bei Wu, Qing Yang, Lijing L Yan, Changqing Liu, Ryan J Shaw. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 09.03.2022.
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Figure 4.
Comparison of changes in heart rate between groups (SE 2).