CSF3 and stroke disorder: Accordingly, we found that in Chen et al., treatment with subcutaneous (s.c.)injection of Granulocyte Colony Stimulating Factor (GCSF) and intracerebral implantation of CD34(+) immunosorted Peripheral Blood Stem Cells (PBSCs), as late as six months to five years of stroke onset in patients with baseline NIHSS of 8-20, demonstrated positive results [20].