Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KIEVIT FM,"PEI-PEG-chitosan copolymer coated iron oxide nanoparticles for safe gene delivery : synthesis, complexation, and transfection",Adv Funct Mater,,,2009,19,,2244-2251,https://cir.nii.ac.jp/crid/1571980076406828800,