@misc{indiciae30718c9b2014,
  title = {Growth factors.},
  author = {S Varon and M Manthorpe and G E Davis and L R Williams and S D Skaper},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3278527/},
  note = {Source identifier: 3278527}
}