@misc{indiciae8b36b112f899,
  title = {Predicting preterm delivery.},
  author = {J G Thornton and R J Lilford},
  year = {1992},
  doi = {10.1136/bmj.305.6857.830-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/1422374/},
  note = {Source identifier: 1422374}
}