Sudo RT, do Amaral RV, Monteiro CEDS, Pitta IDR, Lima MDC, Montes GC, Ririe DG, Hayashida K, Zapata-Sudo G. Antinociception induced by a novel a2A adrenergic receptor agonist in rodents acute and chronic pain models. Eur J Pharmacol. 2017 Nov 15; 815:210-218.