@article{articlee5c2e8d0,
title   = {Microinjection of renin-angiotensin peptides in discrete sites within the rat periaqueductal gray matter elicts antinociception},
author = {Prado, Wiliam A. and Silva, Adriana Pelegrini da and Martins, Antônio R.},
year = {2003},
doi = {10.1016/s0006-8993(03)02541-1},
journal   = {Brain Research}
}