@misc{indiciaef8a250553011,
  title = {Sonic Hedgehog is not a limb morphogen but acts as a trigger to specify all digits.},
  author = {Zhu, J. and Trofka, A. and Harfe, B. D. and Mackem, S.},
  year = {2020},
  doi = {10.1101/2020.05.28.122119},
  url = {https://www.biorxiv.org/content/10.1101/2020.05.28.122119v1},
  note = {Source identifier: 10.1101/2020.05.28.122119}
}