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Serum expression levels of (A) hyaluronidase, (B) laminin protein, (C) procollagen III, and (D) collagen IV for each group. The error bars indicated the mean ± standard deviation (**P<0.01 vs. normal control group, ##P<0.01 vs. the model group). NaHS, sodium hydrosulfide; PAG, DL-propargylglycine; HF, hepatic fibrosis.
