Frenk, H Different brain areas mediate the analgesic and epileptic properties of enkephalin. [electronic resource] - Science (New York, N.Y.) Apr 1978 - 335-7 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0036-8075 Standard No.: 10.1126/science.204998 doi Subjects--Topical Terms: AnalgesiaAnimalsBrain--drug effectsCerebral AqueductDose-Response Relationship, DrugEndorphins--pharmacologyEnkephalins--pharmacologyMaleNaloxone--pharmacologyRatsReceptors, Opioid--drug effectsSeizures--chemically inducedThalamic Nuclei--drug effects