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Tbx1 and Fgf8 gene expression is upregulated by vitamin B12 in vivo. Box plots of qRT-PCR evaluation of Tbx1 (A) and Fgf8 (B) gene expression in E9.5 embryos (n = 11 for each point), with or without vitamin B12 treatment. The error bars represent the minimal and maximal values of relative expression. *** P = 0.0045; * P = 0.031.
