@misc{indiciae8a75047d2cc6,
  title = {The uterine environment.},
  author = {P J Heald},
  year = {1977},
  doi = {10.1042/bst0050448},
  url = {https://pubmed.ncbi.nlm.nih.gov/902861/},
  note = {Source identifier: 902861}
}