@misc{indiciae5ccbdd4afa5b,
  title = {Pregnancy testing.},
  author = {F W Winton},
  year = {1971},
  doi = {10.1136/bmj.4.5782.296},
  url = {https://pubmed.ncbi.nlm.nih.gov/5123913/},
  note = {Source identifier: 5123913}
}