@misc{indiciae3f9820f03a0d,
  title = {Marking multiple-choice questions.},
  author = {A E Davis and G M Preston},
  year = {1969},
  doi = {10.1016/s0140-6736(69)91623-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4179599/},
  note = {Source identifier: 4179599}
}