Efficacy and Safety of Ombitasvir/Paritaprevir/Ritonavir and Dasabuvir +/- Ribavirin for HCV in Brazilian Adults with Advanced Fibrosis - Pessoa, Mario G; Ramalho-Madruga, José V; Alves, Katia; Nunes, Estevao P; Cheinquer, Hugo; Brandão-Mello, Carlos E; Mendes-Correa, Maria C; Ferraz, Maria L; Ferreira, Paulo R. A; Alvares-da-Silva, Mario R (Annals of hepatology, 2018)