@misc{indiciae981022594ae5,
  title = {[Acid base equilibrium during labor].},
  author = {M A Urzúa Leos and C Avila Gamboa and S Karchmer},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1222907/},
  note = {Source identifier: 1222907}
}