求助文献~~~~

wubihappy

http://www.nature.com/gt/journal/v15/n2/full/3303062a.html

xyklmu

Small molecules in stem cell self-renewal and differentiation
6 C% N) I; z# d$ U0 S/ z
2 U. M) c% n! l' {0 P% G$ N# j& _) M0 a
7 s' d* n5 O2 M  C! k' s$ y

( C2 H& J  T- o. B* G9 p
' }7 t* ]' a. @% N