Trypanosoma cruzy: dehydroepiandrosterone (DHEA) and immune response during the chronic phase of the experimental Chagas' disease - Caetano, Leony Cristina; Santello, Fabrícia Helena; Filipin, Marina Del Vecchio; Brazão, Vânia; Caetano, Luana Naiara; Toldo, Miriam Paula Alonso; Prado Júnior, José Clóvis do (Veterinary Parasitology, 2009)