求文献一篇，望高手帮助！Thanks!

henryjia

Porcine mesenchymal stem cells--current technological status and future perspective." ~: |  e* q* \7 B+ s5 g0 s! d
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http://www.ncbi.nlm.nih.gov/pubmed/19273325- p9 M2 l1 ~# c9 u, R8 j, t

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