@misc{indiciaeb19aebd9efed,
  title = {Specialization in general surgery.},
  author = {C D Johnson},
  year = {1991},
  doi = {10.1002/bjs.1800780303},
  url = {https://pubmed.ncbi.nlm.nih.gov/2021836/},
  note = {Source identifier: 2021836}
}