Corticosterone evaluation in Wistar rats infected with the Y strain of Trypanosoma cruzi during the chronic phase - Caetano, Leony Cristina; Brazão, Vânia; Filipin, Marina Del Vecchio; Santello, Fabricia Helena; Toldo, Mírian Paula Alonso; Caldeira, Jerri C.; Prado Júnior, José Clóvis do (Experimental Parasitology, 2011)