@misc{indiciaec55febedaf7f,
  title = {The progress zone -- alive or dead?},
  author = {Cheryll Tickle and Lewis Wolpert},
  year = {2002},
  doi = {10.1038/ncb0902-e216},
  url = {https://pubmed.ncbi.nlm.nih.gov/12205485/},
  note = {Source identifier: 12205485}
}