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. 2023 Aug 2;10:1200592. doi: 10.3389/fmed.2023.1200592

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Copyright © 2023 Wang, Wang, Xiang, Jin, Zhang, Zeng, Tong and Lv.

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The forest plot for studies on the effect of vitamin D on the change of WOMAC function. WOMAC, Western Ontario and McMaster Universities Arthritis Index.