@article{articlee11ce9ed,
title   = {Role of benzodiazepine receptors located in the dorsal periaqueductal grey of rats in anxiety},
author = {Russo, A S and Guimarães, Francisco Silveira and De Aguiar, J C and Graeff, Frederico Guilherme},
year = {1993},
doi = {10.1007/bf02246973},
journal   = {Psychopharmacology}
}