@misc{indiciae2a3197de713c,
  title = {Sub-specialization or super-specialization in surgery?},
  author = {J Charnley},
  year = {1970},
  doi = {10.1136/bmj.2.5711.719},
  url = {https://pubmed.ncbi.nlm.nih.gov/5429660/},
  note = {Source identifier: 5429660}
}