Cintra, P. P.; Duque, C. T. N.; Silveira, M. P.; Santos, M. A. A. P. dos; Silva, M. M. V. da; Crivellenti, L. Z.; Mattos Junior, E. de. Cardiorespiratory and Electrocardiographic Effects of Methadone or Morphine in the Perioperative Period in Anesthetized Dogs With Continuous Rate Infusion of Propofol and Submitted to Ovariohysterectomy. Semina: Ciênc. Agrár. 2017, 38, 209-220.