@misc{misceff5c0b3,
title   = {Shedding of surface antigens of trypomastigote forms of trypanosoma cruzi},
author = {Umezawa, Eufrosina Setsu and Goncalves, M F and Katzin, Alejandro Miguel and Zingales, Bianca and Alves, Maria Júlia Manso and Colli, Walter},
year = {1989},
booktitle   = {Jornada Cientifica do Instituto de Medicina Tropical de São Paulo}
}