@misc{indiciaefc1a72710845,
  title = {Two teaching aids.},
  author = {M DAWKINS},
  year = {1962},
  doi = {10.1093/bja/34.11.827},
  url = {https://pubmed.ncbi.nlm.nih.gov/14025586/},
  note = {Source identifier: 14025586}
}