Ylostalo, J. H., Bazhanov, N., Mohammadipoor, A., Bartosh, T. J. Production and Administration of Therapeutic Mesenchymal Stem/Stromal Cell (MSC) Spheroids Primed in 3-D Cultures Under Xeno-free Conditions. J. Vis. Exp. (121), e55126, doi:10.3791/55126 (2017).