title: Drug discrimination: 30 years of progress.
authors.forename: Joseph H
authors.initials: JH
authors.lastname: Porter
authors.forename: Adam J
authors.initials: AJ
authors.lastname: Prus
mesh_terms: D000818:Animals; D002491:Central Nervous System Agents / Q000494:pharmacology*; D004192:Discrimination, Psychological; D006801:Humans; D011600:Psychopharmacology / Q000379:methods* / Q000639:trends*
chemical_list: D002491:Central Nervous System Agents