title: Implications of the multiplicity of opioid receptors for the problem of addiction.
authors.affiliation: Department of Neuropharmacology, Max-Planck-Institut für Psychiatrie, Planegg-Martinsried, F.R.G.
authors.forename: A
authors.initials: A
authors.lastname: Herz
mesh_terms: D000818:Animals; D001921:Brain / Q000503:physiopathology; D006801:Humans; D009042:Motivation; D009294:Narcotics / Q000493:pharmacokinetics; D009293:Opioid-Related Disorders / Q000503:physiopathology*; D011957:Receptors, Opioid / Q000145:classification / Q000502:physiology*
chemical_list: D009294:Narcotics; D011957:Receptors, Opioid