@misc{misc03dec782,
title   = {Role of opioid receptors in the antinociception induced by oral acute administration of sweet substance in adult rodents},
author = {Freitas, R. L. de and Kübler, João Marcus Lopes and Coimbra, Norberto Cysne},
year = {2011},
booktitle   = {Congress of the European Federation of IASP Chapters (EFIC)}
}