@misc{indiciae05bd60317b88,
  title = {Sonic hedgehog.},
  author = {H S Heussler and M Suri},
  year = {2003},
  doi = {10.1136/mp.56.3.129},
  url = {https://pubmed.ncbi.nlm.nih.gov/12782757/},
  note = {Source identifier: 12782757}
}