@misc{indiciaef7f41cbf2a5c,
  title = {[Statistical data on labor].},
  author = {M Muxi and L Ballesteros and R Rojas and C Alcón and F Castaño and B Berjano},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5354203/},
  note = {Source identifier: 5354203}
}