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Test of blood routine of a Group: saline; b Group: ethanol; c Group: blank gel; d Group: DOX-loaded gel; e Group: DOX·HCl (intratumoral injection); f Group: DOX·HCl (intravenous injection). All the groups were treated by intratumoral injection except for Group f. DOX equivalent dose of 2.5 mg DOX/kg mice. All the groups except h group were injected via intratumor. The data were expressed as mean ± standard deviation (n=5)
