NaltrexoneNarcotic AntagonistsReceptors, OpioidReceptors, Opioid, muOpioid PeptidesMorphineReceptors, Opioid, deltaNarcoticsEnkephalin, MethionineAnalgesics, OpioidNaloxoneEthanolDose-Response Relationship, DrugRats, Sprague-DawleyAlcoholismOpioid-Related DisordersTaurineHormone AntagonistsDopamine AntagonistsMethadyl AcetateSubstance Withdrawal SyndromeHeroin DependenceNalorphineAlcohol AbstinenceExcitatory Amino Acid AntagonistsNeurokinin-1 Receptor AntagonistsNalbuphineDisulfiramBuprenorphineDelayed-Action PreparationsHistamine H2 AntagonistsTemperance