Activation of hepatic stellate cells (HSCS) and vitamin A status in patients with chronic Hepatitis C - Santana, R. C.; Martinelli, Ana de Lourdes Candolo; Ramalho, Leandra Naíra Zambelli; Zucoloto, Sergio; Jordão Júnior, Alceu Afonso; Castro, G.; Figueiredo, José Fernando de Castro; Vannucchi, Hélio (Congresso Latinoamericano de Nutrición, 2009)