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. 2021 Oct 12;23(10):e31051. doi: 10.2196/31051

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©Jinlong Wu, Aihua Zeng, Ziyan Chen, Ye Wei, Kunlun Huang, Jiafeng Chen, Zhanbing Ren. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 12.10.2021.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

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Meta-meta-analysis of the effects of virtual reality (VR) interventions on upper limb function. The bottom row describes a combined overall effect of treatment which random-effects models were used to estimate.