@misc{indiciaeaab86fe3d3d5,
  title = {Purine insertase: a new enzyme.},
  author = {G O'Donovan},
  year = {1979},
  doi = {10.1038/278121a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/763357/},
  note = {Source identifier: 763357}
}