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Images of Sirius red-stained fibroblasts after culture with NS (a, 400x), PS (b, 400x), RS (c, 400x) and MS EC-conditioned media (d, 400x). The quantification of total collagen production by fibroblasts after culture with the various EC-conditioned media is shown (e). * P<0.05, # P<0.01, n = 8.
