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Correlations between the circulating levels of miR-21, miR-122 and HIF-1α in HCC patients. miR-21 was positively correlated with HIF-1α before (a) and after DEB-TACE (b). No statistically significant correlations were found between miR-122 and HIF-1α, both before (c) and after DEB-TACE (d).
