@misc{indiciae3656847ab17d,
  title = {[Fentanyl and biliary tract pressure].},
  author = {P R Tremblay and P Poncelet and D K Dinh},
  year = {1973},
  doi = {10.1007/bf03025675},
  url = {https://pubmed.ncbi.nlm.nih.gov/4769608/},
  note = {Source identifier: 4769608}
}