@misc{indiciaec48f0bc5303c,
  title = {Practice progress.},
  author = {Roger Levin},
  year = {2005},
  doi = {10.14219/jada.archive.2005.0145},
  url = {https://pubmed.ncbi.nlm.nih.gov/15782527/},
  note = {Source identifier: 15782527}
}