@misc{indiciae1523316ccc59,
  title = {How limbs develop.},
  author = {R D Riddle and C Tabin},
  year = {1999},
  doi = {10.1038/scientificamerican0299-74},
  url = {https://pubmed.ncbi.nlm.nih.gov/9924814/},
  note = {Source identifier: 9924814}
}