@misc{indiciae44ffc44154d7,
  title = {How a tadpole becomes a frog.},
  author = {W Etkin},
  year = {1966},
  doi = {10.1038/scientificamerican0566-76},
  url = {https://pubmed.ncbi.nlm.nih.gov/5910496/},
  note = {Source identifier: 5910496}
}