%0 Journal Article %T Lack of Obvious Influence of PLLA Nanofibers on the Gene Expression of BMP-2 and VEGF during Growth and Differentiation of Human Mesenchymal Stem Cells %A Markus D. Schofer %A S. Fuchs-Winkelmann %A C. Wack %A M. Rudisile %J The Scientific World Journal %D 2009 %I %R 10.1100/tsw.2009.36 %U http://dx.doi.org/10.1100/tsw.2009.36