Stimulation of peripheral kappa opioid receptors inhibits inflammatory hyperalgesia via activation of the PI3K'gama'/AKT/nNOS/NO signaling pathway - Cunha, Thiago Mattar; Souza, Guilherme R.; Domingues, Andressa C.; Carreira, Eleonora U.; Lotufo, Celina M.; Funez, Mani I.; Verri Júnior, Waldiceu Aparecido; Cunha, Fernando de Queiroz; Ferreira, Sérgio Henrique (Molecular Pain, 2012)