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Relative tumor-normal mRNA expression levels of the target genes (A) VDR, (B) CYP27B1, (C) CYP24A1, (D) p21, and (E) E-cadherin in papillary thyroid cancer and benign tumor
Data are expressed as the mean ± standard error of the mean; *p < 0.05; VDR, vitamin D receptor.
