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. 2022 Oct 17;18:2391–2403. doi: 10.2147/NDT.S383654

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© 2022 Zhang et al.

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Meta-regression scatter plot of blood Hcy and folate levels. Random effect meta-regression plot of the impact of blood folate standardized on blood Hcy levels. The size of each circle is inversely proportional to the variance of the estimates (p = 0.006).