@misc{indiciae51bacec4e0bd,
  title = {Specialization.},
  author = {J W TODD},
  year = {1951},
  doi = {10.1016/s0140-6736(51)92054-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/14805099/},
  note = {Source identifier: 14805099}
}