1. Guyton AC, Hall JE. The liver as an organ. In: Guyton AC, Hall JE, editors. Textbook of medical physiology. 11th ed. Philadelphia: Saunders Elsevier; 2006. p. 859–64.
2. Friedman SL. Hepatic fibrosis. In: Schiff ER, Sorrell MF, Maddrey WC, editors. Schiff”s diseases of the liver. 9th ed. Philadelphia: Lippincott Williams & Wilkins; 2003. p. 409–27.
3. Pereira-Filho G, Ferreira C, Schwengber A, Marroni C, Zettler C, Marroni N. Role of N-acetylcysteine on fibrosis and oxidative stress in cirrhotic rats. Arq Gastroenterol. 2008;45:156–62.
4. Peres W, Tuñón MJ, Collado PS, Herrmann S, Marroni N, González-Gallego J. The flavonoid quercetin ameliorates liver damage in rats with biliary obstruction. J Hepatol. 2000;33:742–50.
5. Pierce RA, Glaug MR, Greco RS, Mackenzie JW, Boyd CD, Deak SB. Increased procollagen mRNA levels in carbon tetrachloride-induced liver fibrosis in rats. J Biol Chem. 1987;262:1652–8.