@misc{indiciaeb0c0a86b9d50,
  title = {Statistics at square one: XVIII-Correlation.},
  author = {T D Swinscow},
  year = {1976},
  doi = {10.1136/bmj.2.6037.680},
  url = {https://pubmed.ncbi.nlm.nih.gov/974536/},
  note = {Source identifier: 974536}
}