Tissue Eng Part C Methods. 2011 Dec;17(12):1201-10. Epub 2011 Sep 6.# R Q) Q+ R2 `9 I
Toward a clinical-grade expansion of mesenchymal stem cells from human sources: a microcarrier-based culture system under xeno-free conditions. d6 b5 E$ M1 B& p& E% q ' n% Z+ m9 G. c$ o# q3 i0 jhttp://online.liebertpub.com/doi/abs/10.1089/ten.tec.2011.0255?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed