@misc{indiciae4055ac3d4231,
  title = {Pregnancy test using male toads.},
  author = {H KYAW},
  year = {1949},
  doi = {10.1038/1641138a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/15408287/},
  note = {Source identifier: 15408287}
}