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S002130000566
S002130000566
http://dx.doi.org/10.1007/S002130000566
Second-order schedules of drug reinforcement in rats and monkeys: measurement of reinforcing efficacy and drug-seeking behaviour.
P356
Q34188083-D9AD4A71-3782-4C96-85CC-2BD6B26C1DF0
P356
S002130000566
http://dx.doi.org/10.1007/S002130000566