Clarke, G Differential activity of selective opioid agonists on hypothalamic magnocellular neuronal activity. [electronic resource] - Progress in clinical and biological research 1990 - 351-4 p. digital Publication Type: Journal Article ISSN: 0361-7742 Subjects--Topical Terms: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-IsomerAnimalsFemaleFentanyl--pharmacologyHypothalamus--drug effectsLactation--physiologyNeurons--drug effectsOxytocin--metabolismPregnancyPyrrolidines--pharmacologyRatsReceptors, Opioid--drug effectsReceptors, Opioid, kappaReceptors, Opioid, muVasopressins--metabolism