EXPERIMENTAL NARCOTIC ADDICTION.
D000818:Animals; D003061:Codeine; D003213:Conditioning, Psychological; D004864:Equipment and Supplies; D000882:Haplorhini; D007275:Injections, Intravenous; D008614:Meperidine; D008691:Methadone; D009021:Morphine Dependence; D009269:Nalorphine; D009293:Opioid-Related Disorders; D051381:Rats; D019966:Substance-Related Disorders
D008614:Meperidine; D009269:Nalorphine; D008691:Methadone; D003061:Codeine
CODEINE; CONDITIONING (PSYCHOLOGY); DRUG ADDICTION; EQUIPMENT AND SUPPLIES; INJECTIONS, INTRAVENOUS; MEPERIDINE; METHADONE; MONKEYS; MORPHINE ADDICTION; NALORPHINE; RATS