Melatonin treatment reduces the severity of experimental Trypanosoma cruzi infection - Santelo, Fabricia Helena; Frare, Eduardo Osório; Santos, Carla Domingues dos; Toldo, Miriam Paula Alonso; Kawasse, Laura Midori; Zucoloto, Sérgio; Prado Júnior, José Clóvis do (Journal of Pineal Research, 2007)