Nascimento Sousa, Eduardo, et al. “Electrocardiographic Evaluation of Dogs Submitted to Pre-Anesthetic Medication With Acepromazine Meperidine or Acepromazine Methadone”. Pubvet, vol. 16, no. 03, Mar. 2022, https://doi.org/10.31533/pubvet.v16n03a1056.1-6.