@misc{indiciaeaca683c6f557,
  title = {Positional information and the bithorax complex.},
  author = {P H Hayes and J R Girton and M A Russell},
  year = {1979},
  doi = {10.1016/0022-5193(79)90253-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/117268/},
  note = {Source identifier: 117268}
}