求三篇文献，谢谢啦！

wawj

1. Chitosan-based nanoparticles as delivery systems of therapeutic proteins.
# s5 h- W( d5 Q$ B' Yhttp://www.ncbi.nlm.nih.gov/pubmed/22735970# x' `8 Y$ X0 a  B5 F

! S6 H2 j# ~* S& u6 n2. Development of an injectable two-phase drug delivery system for sequential release of antiresorptive and osteogenic drugs." J' g( T' N$ P  _1 ^0 Z# A8 Q
http://www.ncbi.nlm.nih.gov/pubm ... 0osteogenic%20drugs: A5 E/ k/ C2 x: T  Y- c

" y: d! F( @* B* _3. Preparation of gelatin microspheres containing lactic acid--effect of cross-linking on drug release
8 L0 Y, {; C/ t: o: \7 R2 Q" Jhttp://www.ncbi.nlm.nih.gov/pubm ... on%20drug%20release

wawj

回复 birdflubirdflu 的帖子( m- x9 e) K0 n2 y" }7 O
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谢谢啊！

wawj

回复 wawj 的帖子6 e/ X' O1 x7 c/ l" k! O6 p
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麻烦再帮忙找找第一篇，第三篇，万分感谢！