@misc{indiciae709ec946a88d,
  title = {Challenging behaviour: a challenge to change.},
  author = {I A van Berckelaer-Onnes and J van Loon and A Peelen},
  year = {2002},
  doi = {10.1177/1362361302006003004},
  url = {https://pubmed.ncbi.nlm.nih.gov/12212917/},
  note = {Source identifier: 12212917}
}