@misc{indiciae0baab679e4a2,
  title = {Pregnancy.},
  author = {M J Bull},
  year = {1982},
  doi = {10.1136/bmj.284.6329.1611},
  url = {https://pubmed.ncbi.nlm.nih.gov/6805627/},
  note = {Source identifier: 6805627}
}