Antinociceptive effect of PnTx4(5-5), a peptide from Phoneutria nigriventer spider venom, in rat models and the involvement of glutamatergic system

by Camila Franco Batista Oliveira, Daniela Pereira Alves, Bruna Luiza Emerich, Suely Gomes de Figueiredo, Marta do Nascimento Cordeiro, Márcia Helena Borges, Michael Richardson, Adriano Monteiro de Castro Pimenta, Igor Dimitri Gama Duarte, Maria Elena de Lima