@misc{indiciae7bdeb8fd1476,
  title = {Surgery in octogenarians.},
  author = {R W RAVEN},
  year = {1955},
  doi = {10.1136/bmj.1.4908.266},
  url = {https://pubmed.ncbi.nlm.nih.gov/13219400/},
  note = {Source identifier: 13219400}
}