@misc{indiciae4723e03b947e,
  title = {Nodal signalling in vertebrate development.},
  author = {A F Schier and M M Shen},
  year = {2000},
  doi = {10.1038/35000126},
  url = {https://pubmed.ncbi.nlm.nih.gov/10667782/},
  note = {Source identifier: 10667782}
}