Fig. 9From: Specific cancer stem cell-therapy by albumin nanoparticles functionalized with CD44-mediated targetingSafety evaluation of ATRA-loaded NP formulations. Microscopic images of hematoxylin and eosin (H&E) staining of organs (liver, spleen, lung, kidney, heart and brain) from mice treated with ATRA-loaded NP formulations. No abnormality was observed. Scale bar represents 50 μmBack to article page