@misc{indiciaeb2047b7b0def,
  title = {Elderly primiparas.},
  author = {A C POSNER and I I LUFTMAN},
  year = {1952},
  doi = {10.1016/0002-9610(52)90200-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/14903347/},
  note = {Source identifier: 14903347}
}