@misc{indiciaec93ab34a4bde,
  title = {Letter: Linkage and association.},
  author = {D C Siggers},
  year = {1975},
  doi = {10.1016/s0140-6736(75)92186-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/53426/},
  note = {Source identifier: 53426}
}