@misc{indiciaeba8e925613a0,
  title = {The evolutionary development of modifier genes.},
  author = {S Karlin and J McGregor},
  year = {1972},
  doi = {10.1073/pnas.69.12.3611},
  url = {https://pubmed.ncbi.nlm.nih.gov/4509322/},
  note = {Source identifier: 4509322}
}