@misc{indiciaeea689f21eb25,
  title = {Procedural skills.},
  author = {F J Spielman and K J Levin and J A Matherly},
  year = {1989},
  doi = {10.1097/00001888-198907000-00011},
  url = {https://pubmed.ncbi.nlm.nih.gov/2742702/},
  note = {Source identifier: 2742702}
}