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TSD medicated serum-induced HUVECs proliferation. Cells were treated with blank serum or TSD medicated serum for 24 h, and the proliferations of HUVECs were determined by MTT assay. The data were expressed as mean ± SD, n = 8. *P < 0.05 compared with 15% blank serum, **P < 0.01 compared with 10% blank serum.
