@misc{indiciae47cc34357daa,
  title = {Problem behavior and psychiatric impairment within a developmentally disabled population I: behavior frequency.},
  author = {J W Jacobson},
  year = {1982},
  doi = {10.1016/0270-3092(82)90002-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/7125639/},
  note = {Source identifier: 7125639}
}