@article{articleb3a5268f, title = {Electrophysiological evidence for excitatory 5-ht2 and depressant 5 ht1a rfeceptors on neurones of the rat midbrain tectum}, author = {Brandão, Marcus Lira and Lopez-Garcia, J A and Graeff, Frederico Guilherme and Roberts, M H T}, year = {1991}, journal = {Brain Research} }