[Simple modification of the technic of intravenous self-administration of drugs by experimental animals].
D000661:Amphetamine / Q000008:administration & dosage; D000818:Animals; D003216:Conditioning, Operant; D000431:Ethanol / Q000008:administration & dosage; D003932:Heroin / Q000008:administration & dosage; D009020:Morphine / Q000008:administration & dosage; D051381:Rats; D012646:Self Administration / Q000295:instrumentation / Q000379:methods*
D000431:Ethanol; D003932:Heroin; D009020:Morphine; D000661:Amphetamine
Prostaia modifikatsiia metoda vnutrivennogo samovvedeniia lekarstvennykh veshchestv éksperimental'nymi  zhivotnymi.