@misc{indiciae87e059f34216,
  title = {Peripheral circulation during sufentanyl and morphine anesthesia.},
  author = {P Berthelsen and J Eriksen and N C Ahn and J P Rasmussen},
  year = {1980},
  doi = {10.1111/j.1399-6576.1980.tb01543.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6449821/},
  note = {Source identifier: 6449821}
}