title: Persistent analgesia in former opiate addicts is resistant to blockade of endogenous opioids.
authors.affiliation: Institute of General and Experimental Pathology, University of Graz, Austria.
authors.forename: P M
authors.initials: PM
authors.lastname: Liebmann
authors.forename: M
authors.initials: M
authors.lastname: Lehofer
authors.forename: M
authors.initials: M
authors.lastname: Moser
authors.forename: R
authors.initials: R
authors.lastname: Hoehn-Saric
authors.forename: T
authors.initials: T
authors.lastname: Legl
authors.forename: G
authors.initials: G
authors.lastname: Pernhaupt
authors.forename: K
authors.initials: K
authors.lastname: Schauenstein
mesh_terms: D000328:Adult; D000698:Analgesia; D004361:Drug Tolerance; D005260:Female; D003932:Heroin / Q000009:adverse effects*; D006801:Humans; D008658:Inactivation, Metabolic; D008297:Male; D008875:Middle Aged; D009271:Naltrexone / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology; D017288:Pain Threshold / Q000187:drug effects; D010468:Perceptual Disorders / Q000139:chemically induced; D011957:Receptors, Opioid / Q000187:drug effects*; D019966:Substance-Related Disorders / Q000534:rehabilitation
chemical_list: D009292:Narcotic Antagonists; D011957:Receptors, Opioid; D009271:Naltrexone; D003932:Heroin