@misc{indiciae68ca632bf598,
  title = {Classroom challenge.},
  author = {Ruth Cross and Nicola Barlow},
  doi = {10.7748/ns2006.02.20.24.82.c4072},
  url = {https://pubmed.ncbi.nlm.nih.gov/16526168/},
  note = {Source identifier: 16526168}
}