@misc{indiciae980311c62c1f,
  title = {Why should preterm births be rising?},
  author = {A H Shennan and S Bewley},
  year = {2006},
  doi = {10.1136/bmj.332.7547.924},
  url = {https://pubmed.ncbi.nlm.nih.gov/16627490/},
  note = {Source identifier: 16627490}
}