求英文文献两篇，谢谢！

zhusealin

http://www.ncbi.nlm.nih.gov/pubmed/22639153' }: n% o# `1 M+ a! j/ w/ a
杂志：J Mater Sci Mater Med. 2012 Sep;23(9):2267-79. doi: 10.1007/s10856-012-4684-5. Epub 2012 May 26.
. ?( C8 P2 E. u8 t题目：Hydrogels of collagen/chondroitin sulfate/hyaluronan interpenetrating polymer network for cartilage tissue engineering
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, r7 l- d+ J" g9 Uhttp://www.ncbi.nlm.nih.gov/pubmed/14661246
: @9 T4 V. c2 o杂志：J Biomed Mater Res A. 2004 Jan 1;68(1):28-33.1 g- R+ f( B8 y9 K9 P' z$ g
题目：Photocrosslinkable polysaccharides based on chondroitin sulfate.

farui

Hydrogels of collagen/chondroitin sulfate/hyaluronan interpenetrating polymer network for cartilage tissue engineering
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farui

Photocrosslinkable polysaccharides based on chondroitin sulfate
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