@misc{indiciaefdcd6fe53c35,
  title = {Parity effect on abortions.},
  author = {N FREIRE-MAIA and A FREIRE-MAIA and A QUELCE-SALGADO},
  year = {1963},
  doi = {10.1016/s0140-6736(63)91601-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/13959537/},
  note = {Source identifier: 13959537}
}