@article{article39d22900,
title   = {Defense reaction induced by a metabotropic glutamate receptor agonist microinjected into the dorsal periaqueductal gray of rats},
author = {Molchanov, M. L. and Guimarães, Francisco Silveira},
year = {1999},
doi = {10.1590/s0100-879x1999001200013},
journal   = {Brazilian Journal of Medical and Biological Research}
}