1[1]Gupta P K, Hung C T. Magnetically controlled targeted micro-carrier systems. [J]. Life Sci, 1989,44:175.
2[2]Widder K J, Senyei A E, Scarpelli DG. Magnetic microspheres. A model system for the specific drug delivery in vivo. [M]. Proc Soc EXP med, 1978, 58:141.
3[3]Emad Eldin Hassan, Royc C. Parish. Optimized Formulation of Magnetic Chitosan Microspheres Containing the Anticancer Agent, Oxantrazole. [J]. Pharmaceutical Research, 1992, 19(3): 390-397.
4[4]James M, Gallo. Emad Eldin Hassan. Receptor-Mediated Magnetic Carriers: [J]. Basis for Targeting Pharmaceutical Research, 1988, 5(5): 300-304.
5[6]Ida Genta, Monica Costantini, Annalia Asti, et al. Influence of glutaraldehyde on drug release and mucoadhesive properties of chitosan microspheres Carbohydrate Polymers,1998, 36: 81-88.
6Gupta P K, Hung C T. Life Sci 1989, 44: 175.
7Widder K J, Senyei A E, Scarpelli D G. Proc. Soc. EXP. Biol. Med., 1978, 58: 141-146.
8Emad E H, Roy C. Parish, et al. Pharm. Res., 1992, 9 (3): 390-397.
9James M, Gallo, Emad E H. Pharm. Res., 1988, 5 (5): 300-304.
10Sussan G, Turaj E, Seyed M F, et al. Int. J. Pharm., 1996, 130: 49-55.
