@misc{indiciae64bb27259a46,
  title = {Cervical incompetence.},
  author = {B Shortle and R Jewelewicz},
  year = {1989},
  doi = {10.1016/s0015-0282(16)60839-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2666173/},
  note = {Source identifier: 2666173}
}