@misc{misc46fe3b21, title = {Naloxone-induced antipanic effect on defensive behaviour and innate fear-induced antinociception of preys confronted with rattlesnakes}, author = {Coimbra, Norberto Cysne and Calvo, F. and Freitas, R. L. and Lobão-Soares, B. and Elias-Filho, D. H. and Tracey, I.}, year = {2008}, booktitle = {World Congress of Psychophysiology the Olympics of the Brain of the International Organization of Psychophysiology (IOP) Associated with the United Nations} }