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Histology of liver from rats treated with DMN. Rats were infused once via the portal vein with saline (A), AdCATβ-TR (B), or AdCALacZ (not shown, because the histology was not significantly different from that of rats infused with saline), then treated with DMN for 3 weeks as described in Materials and Methods. Liver sections were examined histologically by Masson-trichrome staining. (×200.)
