@article{article81bcb59d,
title   = {Effects of morfine and midazolam on reactivity to peripheral noxicus and central aversive stimuli},
author = {Brandão, Marcus Lira and Coimbra, Norberto Cysne and Leao Borges, P C},
year = {1990},
journal   = {Neuroscience and Biobehavioral Reviews}
}