@misc{indiciaeb6e6dfe50873,
  title = {Early pregnancy tests.},
  author = {W P Collins},
  year = {1990},
  doi = {10.1111/j.1471-0528.1990.tb01781.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2185820/},
  note = {Source identifier: 2185820}
}