Sassoli, C. et al. 2014. Mesenchymal stromal cells and their paracrine factors regulate MMP-2 and MMP-9/ TIMP-2 balance in skeletal myoblasts and fibroblasts: new insights into the potential role of MSC-cell therapy in muscle regenerative medicine. Italian Journal of Anatomy and Embryology. 118, 2 (Jan. 2014), 166.