@misc{indiciae40f59ca55a9c,
  title = {A reversible selection system for UMP synthase gene amplification and deamplification.},
  author = {D P Suttle},
  year = {1989},
  doi = {10.1007/bf01534894},
  url = {https://pubmed.ncbi.nlm.nih.gov/2476862/},
  note = {Source identifier: 2476862}
}