Pharmacological evidence for the mediation og the panicolytic effect of fluoxetine by dorsal periaqueductal gray matter μ-opioid receptors - Roncon, Camila Marroni; Almada, Rafael Carvalho; Maraschin, Jhonatan Christian; Audi, Elisabeth Aparecida; Zangrossi Junior, Helio; Graeff, Frederico Guilherme; Coimbra, Norberto Cysne (Neuropharmacology, 2015)