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. 2023 Sep 6;15:1405–1415. doi: 10.2147/IJWH.S420206

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© 2023 Du et al.

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The curve relation between MS and UCS concentration of folate and vitamin B₁₂.

Notes: The solid line in the figure represents predictive value of the regression curve and the shaded part represents the 95% confidence interval of predictive value (the quadratic fit reaches significance, P <0.05).