Trypomastigotes of Trypanosoma cruzi induced TGF-beta production from activated macrophages regulating the expression of iNOS by PS exposure - Seabra, S. H.; Deolindo, P.; Arnholdt, A. V.; Amarante-Mendes, João Gustavo Pessini; Manhães, L.; Goldenberg, S.; De Souza, W.; DaMatta, R. A. (Annual Meeting of the Brazilian Society of Protozoology, 2005)