@misc{indiciaeb3fcb885f688,
  title = {Building from the bottom up.},
  author = {C E Krull and R Krumlauf},
  year = {2001},
  doi = {10.1038/35078603},
  url = {https://pubmed.ncbi.nlm.nih.gov/11389452/},
  note = {Source identifier: 11389452}
}