Kindler, V., D. Suva, C. Soulas, and B. Chapuis. “Hematopoietic Stem Cells and Mesenchymal Stem Cells As Tools for Present and Future Cellular Therapies”. Swiss Medical Weekly, vol. 136, no. 2122, June 2006, pp. 333-7, doi:10.4414/smw.2006.11039.