@misc{indiciaedcedd32f7fd5,
  title = {Appropriate teaching aids.},
  author = {D Morley and F Savage-King},
  year = {1984},
  doi = {10.1136/bmj.289.6451.1057},
  url = {https://pubmed.ncbi.nlm.nih.gov/6207887/},
  note = {Source identifier: 6207887}
}