Toxicity and biocompatibility of polyethylene glycol-polyethyleneimine/ferroso-ferric oxide nano-magnetic fluid
Zou Fen, Pan Yi-feng, Zhang Hong, Li Guo-zheng, Tang Jing-bo, Peng Jian
Chinese Journal of Tissue Engineering Research . 2010, (3): 447 -451 .  DOI: 10.3969/j.issn.1673-8225.2010.03.016