XXII. Patterns of intravenous self-injection by morphine-addicted rats.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D001562:Benzimidazoles / Q000494:pharmacology; D003061:Codeine / Q000494:pharmacology; D003216:Conditioning, Operant; D004361:Drug Tolerance; D004569:Electroencephalography; D004576:Electromyography; D006801:Humans; D007275:Injections, Intravenous; D008614:Meperidine / Q000494:pharmacology; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology; D009021:Morphine Dependence; D051381:Rats; D012890:Sleep; D013375:Substance Withdrawal Syndrome; D014851:Wakefulness
D001562:Benzimidazoles; D009020:Morphine; D008614:Meperidine; D003061:Codeine