Ex vivo-expanded autologous bone marrow-derived mesenchymal stromal cells in human spinal cord injury/paraplegia: a pilot clinical study - Pal, R; Venkataramana, N K; Bansal, A; Balaraju, S; Jan, M; Chandra, R; Dixit, A; Rauthan, A; Murgod, U; Totey, S (Cytotherapy, 2009)