@article{filho_santos_2018, 
  title={Cesarean section surgeries: the temporal evolution, epidemic tendency, the WHO proposals and recommendations, current doubts and challenges}, 
  volume={18}, 
  DOI={10.1590/1806-93042018000400010}, 
  publisher={FapUNIFESP (SciELO)}, 
  author={Filho and Santos}, 
  year={2018}
  }