求助一篇文献，谢谢

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Challenges facing in vivo tracking of mesenchymal stem cells used for tissue regeneration。
, ?5 W6 h3 _" m# |2 p6 {January 2014, Vol. 11, No. 1 , Pages 9-13 (doi:10.1586/17434440.2014.865306)
. L5 f* _: G# Q$ i1 n; @Mohammad A Hossain 1, Adam E Frampton 2 and Atul Bagul 1 R8 C6 p- j4 `5 Y& F
原文网址链接：http://www.ncbi.nlm.nih.gov/pubm ... tissue+regeneration
" G+ @, ^( B4 e1 p( c2 j9 a" M9 b9 hPMID:24308739
; z7 d6 ]5 [# ]/ t, x$ X9 {7 P谢谢。