Cost-effective analysis of different algorithms for the diagnosis of hepatitis C virus infection - Barreto, Angela Maria Egydio de Carvalho; Takei, Kioko; Sabino, Ester Cerdeira; Bellesa, Maria Aparecida; Salles, Nanci Alves; Barreto, Claudia Cortese; Nishiya, Anna Shoko; Chamone, Dalton de Alencar Fischer (Brazilian Journal of Medical and Biological Research, 2008)