Clumping and Viability of Bone Marrow Derived Mesenchymal Stromal Cells under Different Preparation Procedures: A Flow Cytometry-Based In Vitro Study. - Cui, Li-li; Kinnunen, Tuure; Boltze, Johannes; Nystedt, Johanna; Jolkkonen, Jukka (Stem Cells International, 2016)