8Song L,Liu T,Liang D. Coupling of optical characterization with particle and network synthesis for biomedical applications [J]. J Biomed Opt,2002, 7: 3 498.
9Widder K J. Magnetic micorspheres :a vehicle for selective targeting of drugs[J]. Pharmacol Ther,1983,20: 3 337.
10Puller SK, Ciccotto SL, Gallo JM, et al. Distribution of small magnetic particles in brain tumor bearing rats[J]. J Neurooncol, 1999,41(2):99-105.
