@inproceedings{inproceedingscca04c51,
title   = {Involvement of the mesencephalic tegmentum and cholinergic system in the modulation of pain of tomic immobility (animal hypnosis) in toads},
author = {Hoffmann, Anette and Vasconcelos, C R F and Menescal-de-Oliveira, Leda},
year = {1990},
booktitle   = {World Congress of Pain}
}