1. Department of Toxicology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran;
2. Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran;
3. Department of Clinical Sciences, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran