Avoidance learning at two levels of shock in rats receiving MSH1,2.

@article{Stratton1974AvoidanceLA,
  title={Avoidance learning at two levels of shock in rats receiving MSH1,2.},
  author={Lois O. Stratton and Abba J. Kastin},
  journal={Hormones and behavior},
  year={1974},
  volume={5 2},
  pages={149-55}
}