Effects of d-amphetamine, morphine and chlorpromazine on responding under fixed-interval schedules of food presentation or electric shock presentation.

@article{McKearney1974EffectsOD,
  title={Effects of d-amphetamine, morphine and chlorpromazine on responding under fixed-interval schedules of food presentation or electric shock presentation.},
  author={James W. McKearney},
  journal={The Journal of pharmacology and experimental therapeutics},
  year={1974},
  volume={190 1},
  pages={141-53}
}