@article{article01440ecc,
title   = {Involvement of the midbrain periaqueductal gray '5-HT IND. 1A' receptors in social conflict induced analgesia in mice},
author = {Canto-de-Souza, Azair and Souza, Ricardo L Nunes de and Pelá, Irene Rosemir and Graeff, Frederico Guilherme},
year = {1998},
doi = {10.1016/s0014-2999(98)00018-1},
journal   = {European Journal of Pharmacology}
}