%0 Journal Article %T Comparative Evaluation of Human Mesenchymal Stem Cells of Fetal (Wharton's Jelly) and Adult (Adipose Tissue) Origin during Prolonged In Vitro Expansion: Considerations for Cytotherapy %A I. Christodoulou %A F. N. Kolisis %A D. Papaevangeliou %A V. Zoumpourlis %J Stem Cells International %D 2013 %I %R 10.1155/2013/246134 %U http://dx.doi.org/10.1155/2013/246134