@misc{indiciae244493ed6344,
  title = {V.D. statistics.},
  author = {A S Wigfield},
  year = {1971},
  doi = {10.1136/bmj.4.5789.750},
  url = {https://pubmed.ncbi.nlm.nih.gov/5171561/},
  note = {Source identifier: 5171561}
}