@misc{indiciae8b910697940d,
  title = {Bone morphogenetic protein 4: a ventralizing factor in early Xenopus development.},
  author = {L Dale and G Howes and B M Price and J C Smith},
  year = {1992},
  doi = {10.1242/dev.115.2.573},
  url = {https://pubmed.ncbi.nlm.nih.gov/1425340/},
  note = {Source identifier: 1425340}
}