@misc{indiciae5b813f12b4e4,
  title = {Extra-amniotic prostaglandin E2 and the unfavourable cervix.},
  author = {J Shepherd and C Sims and I Craft},
  year = {1976},
  doi = {10.1016/s0140-6736(76)90006-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/61394/},
  note = {Source identifier: 61394}
}