title: Opiate self-administration.
authors.affiliation: Department of Physiology and Neuroscience, Medical University of South Carolina, Charleston, SC, USA.
authors.forename: Zheng-Xiong
authors.initials: ZX
authors.lastname: Xi
authors.forename: Elliot A
authors.initials: EA
authors.lastname: Stein
mesh_terms: D000818:Animals; D002408:Catheters, Indwelling; D004864:Equipment and Supplies; D005247:Feeding Behavior / Q000187:drug effects / Q000523:psychology; D003932:Heroin / Q000008:administration & dosage*; D007275:Injections, Intravenous; D007276:Injections, Intraventricular; D007601:Jugular Veins; D009020:Morphine / Q000008:administration & dosage*; D051381:Rats; D011919:Rats, Inbred Strains; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology; D012646:Self Administration; D013238:Stereotaxic Techniques
chemical_list: D003932:Heroin; D009020:Morphine