@article{articleb99b2b4c,
title   = {Opioidergic and GABAergic mechanisms in the rostral ventromedial medulla modulate the nociceptive response of vocalization in guinea pigs},
author = {Silva, Luis Felipe Souza da and Coutinho, Márcio Ramos and Menescal-de-Oliveira, Leda},
year = {2010},
doi = {10.1016/j.brainresbull.2010.04.002},
journal   = {Brain Research Bulletin}
}