@article{sheila m. gaynor2021of,
  title={Association of Hormonal Contraceptive Use with Headache and Temporomandibular Pain: The OPPERA Study},
  author={sheila m. gaynor,roger b. fillingim,denniz a. zolnoun,joel d. greenspan,william maixner,gary d. slade,richard ohrbach,eric bair},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={35},
  number={2},
  pages={105--112},
  doi = {10.11607/ofph.2727},
  year={2021}
}