@misc{indiciae9ffac4e9d14f,
  title = {Amniotic fluid prostaglandin E2 in preterm labor.},
  author = {R Romero and Y K Wu and M Mazor and J C Hobbins and M D Mitchell},
  year = {1988},
  doi = {10.1016/0952-3278(88)90137-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/3222272/},
  note = {Source identifier: 3222272}
}