Evaluation of recombinant antigens for serodiagnosis of Chagas' disease in south and Central America - Umezawa, Eufrosina Setsu; Bastos, Sueli F; Camargo, Mario Endsfeldz; Yamauchi, Luci M; Santos, Márcia R; Gonzalez, Antonio; Zingales, Bianca; Levin, Mariano J; Sousa, Octavio; Aldao, Rafael Rangel; Silveira, José Franco da (Journal of Clinical Microbiology, 1999)