@misc{indiciaec1fe34de12d1,
  title = {Predicting premature delivery--no easy task.},
  author = {Charles J Lockwood},
  year = {2002},
  doi = {10.1056/nejm200201243460412},
  url = {https://pubmed.ncbi.nlm.nih.gov/11807155/},
  note = {Source identifier: 11807155}
}