@misc{indiciae3eda7577f287,
  title = {A fundamental step-transition in retinal function at low light intensities.},
  author = {I G Morgan and M K Boelen},
  year = {1997},
  doi = {10.1111/j.1442-9071.1997.tb01762.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9267631/},
  note = {Source identifier: 9267631}
}