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3 in total

1. Progressive-ratio performance maintained by drug infusions: comparison of cocaine, diethylpropion, chlorphentermine, and fenfluramine.

Authors: R R Griffiths; J V Brady; J D Snell
Journal: Psychopharmacology (Berl) Date: 1978-01-31 Impact factor: 4.530

Authors: A Levin
Journal: Br Med J Date: 1973-04-07

Authors: R R Griffiths; G Winger; J V Brady; J D Snell
Journal: Psychopharmacology (Berl) Date: 1976-11-24 Impact factor: 4.530

3 in total