@article{articlec7d5a129,
title   = {Ventrolateral periaqueductal gray matter and the control of tonic immobility},
author = {Monassi, Claudia Regina and Leite-Panissi, Christie Ramos Andrade and Menescal-de-Oliveira, Leda},
year = {1999},
doi = {10.1016/s0361-9230(99)00192-6},
journal   = {Brain Research Bulletin}
}