[6 ] Booj J,Tissingh G,Winogrodzka A,et al. Practical Benefit of
[2]
[12 3 I] FP- CIT SPECT in theDemonstration of the Dopaminergic Defict in Parkinson's Disease [J]. Eur JNucl Med,1997,2 4 :6 8~71.
[3]
Anseth KS,Bowman CN,Peppas L B.Mechanical Properties of Hydrogels and Their ExperimentalDetermination [J].Biomaterials,1996 ,17:16 4 7~ 16 57.
[4]
[4 ] Yang ZS,Yoshii F,Makuuchi K.Assessment of Properties of Hydrogel Films Formed by Irradiation ofPoly(ethylene oxide) [J].Radiat Res Radiat Proc,1998,16 (4 ) :198~ 2 0 3.
[5]
Rosiak JM,Olejniczak.Medical Applications of Radiation Formed Hydrogels[J].JRadiat Phys Chem,1993,4 2 :90 3~ 90 6 .
Quinn KJ,Courtney JM,Evans JH,et al.Principles of Burn Dressings[J].Biomaterials,1985,6 :36 9~377.
[8]
Asenbaum S,Brucke T,Pirker W,etal. Imaging of Dopamine Transporters With12 5I-β- CIT and SPECTin Parkinson's Disease[J].JNucl Med,1997,38:1~ 6 .
[9]
[2 ] Kofinas P,Athanassiou V,Merrill EW.Hydrogel Prepared by Electron Irradiation of Poly(ethyleneoxide) in Water Solution:Unexpected Dependence of Cross- link Density and Protein DiffussionCoefficients on Initial PEO Molecular Weight[J].Biomaterials,1996 ,17:1547~ 1550 .