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Dose–response of SFB pellets to 0, 2, 10, 20, and 40 ng/mL TGF-β1: (a) DNA, (b) GAG, and (c) GAG/DNA contents of pellets cultivated for 14 days are listed as geometric mean ± SE, n = 3. Color images available online at www.liebertonline.com/ten.
