ProSpec CTF1 Human,ProSpec CYT-944,ProSpec产品,ProSpec代理,ProSpec产品目录,ProSpec 细胞因子,ProSpec Cytokines,The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 1.0 ng/ml, corresponding to a specific activity of > 1.0×106 IU/mg.