@article{article989e509e,
title   = {Inhibition of the response to pain by the action of seretonin and carbachol topically applied to the area postrema of conscious guinea-pigs},
author = {Menescal-de-Oliveira, Leda and Lico, M C},
year = {1985},
journal   = {Brazilian Journal of Medical and Biological Research}
}