@article{branca heloisa de oliveira2006impact,
  title={The Impact of Oral Pain on Quality of Life During Pregnancy in Low-Income Brazilian Women},
  author={branca heloisa de oliveira,paulo nadanovsky},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={20},
  number={4},
  pages={297--305},
  doi = {10.11607/jofph.20297},
  year={2006}
}