@misc{indiciaebddad16818b4,
  title = {Pethidine for endoscopies.},
  author = {S H JOHANSEN and H RUBEN and A GAMMELTOFT and H K KRISTENSEN},
  year = {1957},
  url = {https://pubmed.ncbi.nlm.nih.gov/13414412/},
  note = {Source identifier: 13414412}
}