@misc{misc6809f622,
title   = {Tonic immobility ( animal hypnosis ) in toads may be mediated by a central cholinergetic system},
author = {Hoffmann, Anette and Vasconcelos, C R F and Menescal-de-Oliveira, Leda},
year = {1992},
booktitle   = {International Meeting on Strategies for Studyng Cns Ative Compounds: Models, Screens and Clinical Syndromes}
}