@misc{indiciaeb63f8b8b1923,
  title = {Activin signalling and response to a morphogen gradient.},
  author = {J B Gurdon and P Harger and A Mitchell and P Lemaire},
  year = {1994},
  doi = {10.1038/371487a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/7935761/},
  note = {Source identifier: 7935761}
}