@misc{indiciaee219bf88fc58,
  title = {Preterm labor.},
  author = {E A Friedman and M R Sachtleben},
  year = {1969},
  doi = {10.1016/s0002-9378(16)34289-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/5799619/},
  note = {Source identifier: 5799619}
}