A cholinergic inhibitory system in the frog optic tectum: its role in visual electrical responses and feeding behavior.

@article{Stevens1973ACI,
  title={A cholinergic inhibitory system in the frog optic tectum: its role in visual electrical responses and feeding behavior.},
  author={Richard John Stevens},
  journal={Brain research},
  year={1973},
  volume={49 2},
  pages={309-21}
}