@misc{indiciaedcb79cfdbd9c,
  title = {Headache during pregnancy.},
  author = {Tiffany Von Wald and Anne D Walling},
  year = {2002},
  doi = {10.1097/00006254-200203000-00023},
  url = {https://pubmed.ncbi.nlm.nih.gov/11889417/},
  note = {Source identifier: 11889417}
}