@misc{indiciae8ea68fa4a16c,
  title = {Retinoic acid.},
  author = {H Ashton and C J Stephenson and E Frenk},
  year = {1971},
  doi = {10.1111/j.1365-2133.1971.tb14072.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4257143/},
  note = {Source identifier: 4257143}
}