Inconclusive results in conventional serological screening for Chagas’ disease in blood banks: evaluation of cellular and humoral response - Furucho, Celia Regina; Umezawa, Eufrosina Setsu; Almeida, Igor; Freitas, Vera L.; Bezerra, Rita; Nunes, Elisabete V.; Sanchez, Maria Carmen Arroyo; Guastini, Cristina M.; Teixeira, Antonio R.; Yasuda, Maria A. Shikanai (Tropical Medicine and International Health, 2008)