title: Selectivity of opioid agonists and antagonists for the various opioid receptor types.
authors.forename: A E
authors.initials: AE
authors.lastname: Takemori
authors.forename: P S
authors.initials: PS
authors.lastname: Portoghese
mesh_terms: D000818:Animals; D006801:Humans; D009292:Narcotic Antagonists / Q000494:pharmacology*; D009294:Narcotics / Q000494:pharmacology*; D011957:Receptors, Opioid / Q000187:drug effects*
chemical_list: D009292:Narcotic Antagonists; D009294:Narcotics; D011957:Receptors, Opioid