Epidural analgesia with morphine or buprenorphine in ponies with LPS-induced carpal synovitis - Freitas, Gabrielle Coelho; Carregaro, Adriano Bonfim; Gehrcke, Martielo Ivan; De La Côrte, Flávio Desessards; Lara, Valéria Maria; Pozzobon, Ricardo (Canadian Journal of Veterinary Research, 2011)