Fig. 6From: Preclinical development of carrier-free prodrug nanoparticles for enhanced antitumor therapeutic potential with less toxicityToxicity study after multi-dosage. a Body weight change after multi-dosage with DOX, FRRG-DOX or F68-FDOX. b The hematological analyses on day 7 after multi-dosage with DOX, FRRG-DOX or F68-FDOX. c Major organ tissues stained with H&E on day 7 after multi-dosage with DOX, FRRG-DOX or F68-FDOX. Significance was determined by Tukey−Kramer post-hoc testBack to article page