本帖最后由 zhaogy604 于 2011-12-11 09:14 编辑 . Q+ I( [1 \4 O$ u9 \( H! e7 D5 v2 ?9 S1 D; o/ f. w
Derivation and feeder-free propagation of human embryonic stem cells under xeno-free conditions 1 Z' Y$ s. N, P) I地址在http://informahealthcare.com/doi/abs/10.3109/14653249.2011.6236920 B; M f4 w, S9 Q1 c