@misc{indiciae10d0c8f0a9f4,
  title = {[How many cesarean sections are needed to decrease perinatal mortality?].},
  author = {J M Usandizaga Pombo and M López Valverde},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/716853/},
  note = {Source identifier: 716853}
}