%0 Journal Article %T Mesenchymal Stem Cells Contribute to Tumor Cell Proliferation by Direct Cell-Cell Contact Interactions %A Roorda, Berber D. %A Elst, Arja ter %A Boer, Tiny G. J. Meeuwsen-de %A Kamps, Willem A. %A de Bont, Eveline S. J. M. %J Cancer Investigation %V 28 %N 5 %P 526-534 %@ 1532-4192 %D 2010-05-01 %I Taylor & Francis %~ DeepDyve