@article{article990729fa,
title   = {Neural substrate of defensive behavior in the midbrain tectum},
author = {Brandão, Marcus Lira and Cardoso, S H and Melo, L L and Motta, V and Coimbra, Norberto Cysne},
year = {1994},
doi = {10.1016/0149-7634(94)90047-7},
journal   = {Neuroscience and Biobehavioral Reviews}
}