@misc{indiciae2c76e6c70727,
  title = {Activin as a cell differentiation factor.},
  author = {N Ueno and S Nishimatsu and K Murakami},
  year = {1990},
  doi = {10.1016/0955-2235(90)90027-h},
  url = {https://pubmed.ncbi.nlm.nih.gov/1966558/},
  note = {Source identifier: 1966558}
}