@misc{indiciaeedddb75e1f73,
  title = {Endogenous morphines and pain.},
  author = {J Jacob},
  year = {1981},
  doi = {10.1007/bf01978772},
  url = {https://pubmed.ncbi.nlm.nih.gov/7340454/},
  note = {Source identifier: 7340454}
}