@misc{indiciaef57c33c31a07,
  title = {Residencies and fellowships.},
  year = {1971},
  doi = {10.1016/s0022-3476(71)80177-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4936070/},
  note = {Source identifier: 4936070}
}