Tumangelova-Yuzeir K, Ivanova-Todorova E, Naydenov E, Velikova T, Krasimirova E, Belemezova K, Dikov T, Penkov M, Nachev S, Genova M, Kyurkchiev D. Cultured Cells Isolated from CNS Indolent B- Cell Lymphoma Have Characteristics of Mesenchymal Stem Cells: A Clinical Case and Scientific Research. Int J Hematol Oncol Stem Cell Res. 2018;12(3):168-173.