@misc{indiciae80a731c8ca5f,
  title = {Relation between heart rate and problem behaviors.},
  author = {R L Freeman and R H Horner and J Reichle},
  year = {1999},
  doi = {10.1352/0895-8017(1999)104<0330:rbhrap>2.0.co;2},
  url = {https://pubmed.ncbi.nlm.nih.gov/10450460/},
  note = {Source identifier: 10450460}
}