Cortney A. TurnerMegan H. HagenauerElyse L. AurbachPamela M. MarasChelsea L. FournierPeter BlandinoRikav B. ChauhanJaak PankseppStanley J. WatsonHuda Akil
male sprague-dawley ratsbrain scienceneurosciencebehavioral sciencesultrasonic vocalizationsbehavioral neurosciencemu-opioid receptor