@misc{indiciaec3b3214123ec,
  title = {Morphine presynaptically inhibits a ganglionic cholinergic synapse.},
  author = {J C Bornstein and H L Fields},
  year = {1979},
  doi = {10.1016/0304-3940(79)91532-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/231236/},
  note = {Source identifier: 231236}
}