@misc{indiciae546f78a4322a,
  title = {Post-blastocyst differentiation in vitro.},
  author = {Y C Hsu},
  year = {1971},
  doi = {10.1038/231100a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4930085/},
  note = {Source identifier: 4930085}
}