@article{articleef682df4,
title   = {High resolution of Trypanosoma cruzi amastigote antigen in serodiagnosis of different clinical forms of chagas'disease},
author = {Matsumoto, T K and Shimizu, Sumie Hoshino and Nakamura, P M and Andrade Júnior, Heitor Franco de and Umezawa, Eufrosina Setsu},
year = {1993},
journal   = {Journal of Clinical Microbiology}
}