@misc{indiciaee8ecc65cc7d5,
  title = {Polypeptides as central transmitters.},
  author = {R J Walker},
  year = {1978},
  doi = {10.1016/0306-3623(78)90012-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/27417/},
  note = {Source identifier: 27417}
}