Fig. 7From: Anti-tumor Study of Chondroitin Sulfate-Methotrexate NanogelsThe toxicity effects of MTX and MTX-CS NGs on the rats’ spleen. H&E stained spleen excised from mice following 14 days treatment after seven intraperitoneal injections. a, b Sections of the control group. c, d The MTX-treated group. e, f The MTX-CS NG-treated groupBack to article page