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GPH fiber scaffold inhibits fibrosis during tissue repair. (A) The Masson staining of PCL, PH and GPH group in 2 weeks (a–c) and 6 weeks (d–f). (B) The Masson staining of normal tissue. (C) The relative collagen density in different groups in 6 weeks. The collagen density in the normal group is considered 1. The data are shown as the means ± standard deviation from three independent experiments. ***P < 0.001 indicates significant differences between the indicated columns.
