title: Antagonists, inverse agonists, and protagonists.
authors.forename: Richard I
authors.initials: RI
authors.lastname: Shader
mesh_terms: D006801:Humans; D009292:Narcotic Antagonists / Q000494:pharmacology*; D009294:Narcotics / Q000819:agonists*; D017450:Receptors, Opioid, mu / Q000819:agonists / Q000037:antagonists & inhibitors / Q000187:drug effects
chemical_list: D009292:Narcotic Antagonists; D009294:Narcotics; D017450:Receptors, Opioid, mu