@misc{indiciae269567fdc8ec,
  title = {[Specialization--where, when, how?].},
  author = {M O Hall and A Baumgart and S Stinson},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4481587/},
  note = {Source identifier: 4481587}
}