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Illustration of intratumoral injection in mice tumor treated with saline, blank lecithin–chitosan nanoparticles (LCS_NPs), PTX, PTX–CH-loaded LCS_NPs (mean ± SD, n = 6); where a, p < 0.001; b, p < 0.001 vs. saline; c, p < 0.001 vs. PTX [83].
