@article{article8cb4b0dd,
title   = {Opioid mediation of the antiaversive and hyperalgesia actions of brdykinin infected into the dorsal periaqueductal gray of the rat},
author = {Burdin, T A and Graeff, Frederico Guilherme and Pela, I R},
year = {1992},
doi = {10.1016/0031-9384(92)90325-v},
journal   = {Physiology and Behavior}
}