@misc{indiciaeeeb2949649f1,
  title = {[Epidural morphine analgesia].},
  author = {A I Treshchinskiĭ and G A Vasil'ev and S V Nifontov and A A Bespalov and M V Bondar'},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7257278/},
  note = {Source identifier: 7257278}
}