Direct-acting antivirals for chronic hepatitis C treatment: The experience of two tertiary university centers in Brazil - Lourenco, Mariana Sandoval; Zitelli, Patricia Momoyo Yoshimura; Cunha-silva, Marlone; Oliveira, Arthur Ivan Nobre; Oliveira, Claudia Pinto Marques Souza de; Seva-pereira, Tiago; Carrilho, Flair José; Pessoa, Mario G.; Mazo, Daniel Ferraz de Campos (World journal of hepatology, 2022)