Performance of six diagnostic tests to screen for Chagas disease in blood banks and prevalence of Trypanosoma cruzi infection among donors with inconclusive serology screening based on the analysis of epidemiological variables - Pereira, Gilberto de Araujo; Louzada, Francisco; Barbosa, Valdirene de Fátima; Silva, Márcia Maria Ferreira; Souza, Helio de Moraes (Revista Brasileira de Hematologia e Hemoterapia, 2012)