Romandini, S The effect of intracerebroventricular 5,7-dihydroxytryptamine on morphine analgesia is time-dependent. [electronic resource] - Life sciences Mar 1986 - 869-75 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0024-3205 Standard No.: 10.1016/0024-3205(86)90254-7 doi Subjects--Topical Terms: 5,7-Dihydroxytryptamine--administration & dosageAnalgesiaAnimalsDihydroxytryptamines--pharmacologyInjections, IntraventricularKineticsMaleMetergoline--pharmacologyMorphine--antagonists & inhibitorsNeurons--drug effectsRatsReceptors, Serotonin--drug effectsSerotonin--physiologySerotonin Antagonists