@misc{indiciae5be2765b3a8a,
  title = {[Endogenous opiate peptides].},
  author = {A Płaźnik and O Puciłowski and W Kostowski},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/6298757/},
  note = {Source identifier: 6298757}
}