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. 2019 Nov 5;9(11):703. doi: 10.3390/biom9110703

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Photomicrographs of Masson’s trichrome (MT)-stained sections from liver of (A) control rats showing normal amount and distribution of collagen fibers around blood vessels (arrow), (B) Pb(II)-intoxicated rats showing an increase in collagen deposition (arrows), and (C–E) Pb(II)-administered rats treated with CUR (C) and AA (D) showing marked decrease in collagen deposition (arrow), and CUR/AA (E) showing apparently normal distribution of collagen fibers (arrow). (X400, Scale bare 50 µm).