@article{articleb8fac881, title = {Effects of 5-HT IND.2 receptors blockade on fear-induced analgesia elicited by electrical stimulation of the deep layers of the colliculus and dorsal periaqueductal gray}, author = {Coimbra, Norberto Cysne and Brandão, Marcus Lira}, year = {1997}, doi = {10.1016/s0166-4328(96)02267-x}, journal = {Behavioural Brain Research} }