@misc{indiciaef4212de54c31,
  title = {Specialization in neurosurgery.},
  author = {H J Hoffman},
  year = {1989},
  doi = {10.1016/0090-3019(89)90207-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2749460/},
  note = {Source identifier: 2749460}
}