@misc{indiciaeccd8fbdc0766,
  title = {Mesoderm induction by transforming growth factor beta: medium conditioned by TGF-beta-treated ectoderm enhances the inducing activity.},
  author = {W Knöchel and H Tiedemann},
  year = {1989},
  doi = {10.1007/bf00368638},
  url = {https://pubmed.ncbi.nlm.nih.gov/2747804/},
  note = {Source identifier: 2747804}
}